UPDATE Not Working In Gridview

Sep 26, 2006

I am trying to update a field in gridview. My update is not working, sort of. The original value is being updated with a NULL value when I click on the update button.
here is my code
 <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource2" AutoGenerateEditButton="True" DataKeyNames="rqt_id">
UpdateCommand="UPDATE [rqt_data] SET [rqt_title]=@rqt_title WHERE [rqt_id] = @rqt_id" >     
<asp:Parameter Name="rqt_title" Type="String" />
 the field rqt_title is set up as a NVarChar(25) in the db. I can't specify that for the Type property. Could that be the issue?
thx

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Update In Gridview Not Working

Jan 5, 2006

I may have posted this in the wrong forum before, but i am trying to update a table in SQL2000 from asp.net2.0 gridview. I follow all the recommended ways and it doesnt update the row. Please help
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1" DataKeyNames="ID" CellPadding="4" ForeColor="#333333" GridLines="None">
 
.......misc code.........
UpdateCommand="UPDATE vacationrequest SET hrapprvl = @hrapprvl, notes = @notes WHERE ([ID] = @original_ID)">
<SelectParameters>
<asp:ControlParameter ControlID="HiddenField1" Name="StartDate" PropertyName="Value"
Type="DateTime" />
<asp:Parameter DefaultValue="false" Name="hrapprvl" Type="Boolean" />
</SelectParameters>

<UpdateParameters>
<asp:Parameter Type=Boolean Name="hrapprvl" />
<asp:Parameter type=String Name="notes" />
<asp:Parameter Name="original_ID"/>

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Mar 25, 2007

I 'm having trouble with the delete function on Gridview - the update works great but I keep getting the error below when I try to delete
DELETE statement conflicted with COLUMN REFERENCE constraint 'FK_Order_Details_Products'. The conflict occurred in database 'Northwind', table 'Order Details', column 'ProductID'.The statement has been terminated.
I using the products table in Northwind to learn this stuff.
 
The code that I used is below:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Gigs.aspx.cs" Inherits="Gigs" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
DeleteCommand="DELETE FROM [Products] WHERE [ProductID] = @ProductID" InsertCommand="INSERT INTO [Products] ([ProductName], [SupplierID], [CategoryID], [QuantityPerUnit], [UnitPrice], [UnitsInStock], [UnitsOnOrder], [ReorderLevel], [Discontinued]) VALUES (@ProductName, @SupplierID, @CategoryID, @QuantityPerUnit, @UnitPrice, @UnitsInStock, @UnitsOnOrder, @ReorderLevel, @Discontinued)"
SelectCommand="SELECT * FROM [Products]" UpdateCommand="UPDATE [Products] SET [ProductName] = @ProductName, [SupplierID] = @SupplierID, [CategoryID] = @CategoryID, [QuantityPerUnit] = @QuantityPerUnit, [UnitPrice] = @UnitPrice, [UnitsInStock] = @UnitsInStock, [UnitsOnOrder] = @UnitsOnOrder, [ReorderLevel] = @ReorderLevel, [Discontinued] = @Discontinued WHERE [ProductID] = @ProductID">
<DeleteParameters>
<asp:Parameter Name="ProductID" Type="Int32" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="ProductName" Type="String" />
<asp:Parameter Name="SupplierID" Type="Int32" />
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="QuantityPerUnit" Type="String" />
<asp:Parameter Name="UnitPrice" Type="Decimal" />
<asp:Parameter Name="UnitsInStock" Type="Int16" />
<asp:Parameter Name="UnitsOnOrder" Type="Int16" />
<asp:Parameter Name="ReorderLevel" Type="Int16" />
<asp:Parameter Name="Discontinued" Type="Boolean" />
<asp:Parameter Name="ProductID" Type="Int32" />
</UpdateParameters>
<InsertParameters>
<asp:Parameter Name="ProductName" Type="String" />
<asp:Parameter Name="SupplierID" Type="Int32" />
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="QuantityPerUnit" Type="String" />
<asp:Parameter Name="UnitPrice" Type="Decimal" />
<asp:Parameter Name="UnitsInStock" Type="Int16" />
<asp:Parameter Name="UnitsOnOrder" Type="Int16" />
<asp:Parameter Name="ReorderLevel" Type="Int16" />
<asp:Parameter Name="Discontinued" Type="Boolean" />
</InsertParameters>
</asp:SqlDataSource>
 
</div>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False"
CellPadding="4" DataKeyNames="ProductID" DataSourceID="SqlDataSource1" ForeColor="#333333"
GridLines="None">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
<asp:BoundField DataField="ProductID" HeaderText="ProductID" InsertVisible="False"
ReadOnly="True" SortExpression="ProductID" />
<asp:BoundField DataField="ProductName" HeaderText="ProductName" SortExpression="ProductName" />
<asp:BoundField DataField="SupplierID" HeaderText="SupplierID" SortExpression="SupplierID" />
<asp:BoundField DataField="CategoryID" HeaderText="CategoryID" SortExpression="CategoryID" />
<asp:BoundField DataField="QuantityPerUnit" HeaderText="QuantityPerUnit" SortExpression="QuantityPerUnit" />
<asp:BoundField DataField="UnitPrice" HeaderText="UnitPrice" SortExpression="UnitPrice" />
<asp:BoundField DataField="UnitsInStock" HeaderText="UnitsInStock" SortExpression="UnitsInStock" />
<asp:BoundField DataField="UnitsOnOrder" HeaderText="UnitsOnOrder" SortExpression="UnitsOnOrder" />
<asp:BoundField DataField="ReorderLevel" HeaderText="ReorderLevel" SortExpression="ReorderLevel" />
<asp:CheckBoxField DataField="Discontinued" HeaderText="Discontinued" SortExpression="Discontinued" />
</Columns>
<RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />
<PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
</form>
</body>
</html>
 Any help would be appreciated - thanx

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Aug 14, 2006

Hi All,
I am new to development of asp. I have an SQLDataSource set as the data source for a grid view.  When I click on the edit link in the Gridview, change the data, and click update, the old data  is still displayed in the row.
I found exact same issue as here -- http://forums.asp.net/thread/1217014.aspx
Solution in the above thread is to add this
            {                if (reader != null) reader.Close();            }            conn.Close();
How do I apply above solution in my situation ?
 
I am updating through stored procedure.and don't have code at background.  My code is
Datasource :
<asp:SqlDataSource
ID="ds"
runat="server"
ConnectionString="<%$ ConnectionStrings:ds %>"

CancelSelectOnNullParameter="False"
ProviderName="<%$ ConnectionStrings:ds.ProviderName%>"
UpdateCommand="usp_save"
UpdateCommandType="StoredProcedure"
EnableCaching="False">
 
<UpdateParameters>
<asp:Parameter Name="field1" Type="String" />
<asp:Parameter Name="field2" Type="String" />
<asp:Parameter Name="field3" Type="String" />
<asp:Parameter Name="field4" Type="String"/>
<asp:ControlParameter Name="field5" Type="String" ControlID = "label7" />
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May 21, 2007

I want to write the results of a checkbox to my database, but I am stuck on the syntax?
Here's what I have so far, could somebody pleae help., my aim is to not show a line when checkbox ticked, not to actually delete the record from the database

Hi, The problem that I have now is that yes I want to delete from gridview, but I still want the old record to be in database ,not deleted. Does anybody know how I can evaluate my checkbox, and update to the database the results of the checkbox,I am not sure of the update syntax?string strsql = "update * from jobs order by ID asc";
 SqlConnection conn = new SqlConnection(ConnectionString);
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Apr 23, 2008

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Apr 3, 2006

Hi GutysI am having problem with my UPDATE in GridView, it is  saying that I have too many argument, I don't This happens when I click the UpdateCommand in GRIDVIEW Procedure or function UpdateCountry has too many arguments specified.<asp:SqlDataSource ID="mySqlDataSource" Runat="server"             SelectCommandType="StoredProcedure"  SelectCommand="ShowCountry"             UpdateCommandType="StoredProcedure"  UpdateCommand="UpdateCountry"            ConnectionString="<%$ ConnectionStrings:ConnString %>">                <UpdateParameters>                <asp:Parameter Type="String" Name="CountryName"></asp:Parameter>                <asp:Parameter Type="String" Name="CountryID"></asp:Parameter>            </UpdateParameters>  </asp:SqlDataSource>Just In case these are my Stored Procedures**************************************************************************CREATE PROCEDURE [dbo].[UpdateCountry] @CountryName varchar(50),@CountryID varchar(50)ASUPDATE   EkeanyanwuO.tCountry SET [CountryName] = @CountryName WHERE [CountryID] = @CountryIDGO************************************************************************************CREATE PROCEDURE [dbo].[ShowCountry] ASSELECT     TOP 100 PERCENT EkeanyanwuO.tIMSREGION.ImsRegionName AS ImsRegionName, EkeanyanwuO.tCountry.CountryName AS CountryName,                       EkeanyanwuO.tIMSREGION.ImsRegionID AS ImsRegionID, EkeanyanwuO.tCountry.CountryID AS CountryIDFROM         EkeanyanwuO.tCountry INNER JOIN                      EkeanyanwuO.tIMSREGION ON EkeanyanwuO.tCountry.ImsRegionID = EkeanyanwuO.tIMSREGION.ImsRegionIDORDER BY EkeanyanwuO.tCountry.CountryNameGO************************************************************************************

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Nov 15, 2006

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7
8 <DeleteParameters>
9 <asp:Parameter Name="SubRegionID" Type="Int32" />
10 </DeleteParameters>
11
12 <UpdateParameters>
13 <asp:Parameter Name="RegionID" Type="Int32" />
14 <asp:Parameter Name="SubRegionName" Type="String" />
15 <asp:Parameter Name="SubRegionID" Type="Int32" />
16 </UpdateParameters>
17
18 <SelectParameters>
19 <asp:ControlParameter ControlID="dropRegions" Name="RegionID" PropertyName="SelectedValue" Type="Int32" />
20 </SelectParameters>
21
22 <InsertParameters>
23 <asp:Parameter Name="SubRegionID" Type="Int32" />
24 <asp:Parameter Name="RegionID" Type="Int32" />
25 <asp:Parameter Name="SubRegionName" Type="String" />
26 </InsertParameters>
27
28 </asp:SqlDataSource>
29
30
31
32 <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:ehlConnectionString %>"
33 ProviderName="<%$ ConnectionStrings:ehlConnectionString.ProviderName %>"
34 SelectCommand="SELECT [RegionID], [RegionName] FROM [tblRegions]">
35
36 </asp:SqlDataSource>
37
38
39
40 <asp:DropDownList id="dropStates" runat="server" OnSelectedIndexChanged="dropStates_SelectedIndexChanged" AutoPostBack="True">
41 </asp:DropDownList>
42
43 <asp:DropDownList id="dropRegions" runat="server" OnSelectedIndexChanged="dropRegions_SelectedIndexChanged" AutoPostBack="True">
44 </asp:DropDownList>
45
46
47
48 <asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
49 AutoGenerateColumns="False" EnableViewState=false Width="100%" DataSourceID="SqlDataSource1">
50 <Columns>
51 <asp:TemplateField HeaderText="SubRegionName" SortExpression="SubRegionName">
52 <EditItemTemplate>
53 <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource2"
54 DataTextField="RegionName" DataValueField="RegionID" SelectedValue='<%# Bind("RegionID") %>'>
55 </asp:DropDownList>
56 </EditItemTemplate>
57 <ItemTemplate>
58 <asp:Label ID="Label1" runat="server" Text='<%# Bind("SubRegionName") %>'></asp:Label>
59 </ItemTemplate>
60 </asp:TemplateField>
61 <asp:BoundField DataField="RegionName" HeaderText="RegionName" SortExpression="RegionName" />
62 <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
63 </Columns>
64 </asp:GridView>
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Aug 1, 2007

<!-- Trying
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    Hi [User]
    Do you have these assets? 
    [Gridview]
    Tag Number   Response
    123         
[Yes ] [No] [Comments textbox]
    234         
[Yes ] [No] [Comments textbox] 

Goal: The desire
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So far, I have
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response buttons, setup the RowCommand and On_Updating Functions. 

Problems:1) If I call the update() function for SqlDataSource1 and misuse the Defaultvalue parameters to run the sql, no update is posted to the database.

2) If I use the On_Update function to set the parameter values, I get "Data type mismatch in criteria expression."  (Additionally, the On_Update function runs twice which I don't understand)Can anyone tell
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-->

<%@ Page
Language="VB"
%>
<html>
<head id="Head1" runat="server">
    <title>Asset Survey</title>
</head>
<SCRIPT runat="server">
    Protected Sub SqlDataSource1_Selecting(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceSelectingEventArgs) Handles SqlDataSource1.Selecting
        e.Command.Parameters("Name1").Value = User.Identity.Name
    End Sub







    Protected Sub SqlDataSource1_Updating(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles SqlDataSource1.Updating        'For some
reason, this function executes twice        '2nd execution gets error: "Data type
mismatch in criteria expression."        'e.Command.Parameters("PrimaryKey1").Value
= intPrimaryKey        'e.Command.Parameters("Responder1").Value
= strUser        'e.Command.Parameters("ResponseDate1").Value
= dtModDate        'e.Command.Parameters("Response1").Value
= strResponse        'e.Command.Parameters("ResponseComments1").Value
= strComments    End Sub

    Protected Sub
GridView1_RowCommand(ByVal sender As Object, ByVal e As
GridViewCommandEventArgs) _
        Handles
GridView1.RowCommand 
        Dim
GridRow1 As Integer
= Convert.ToInt32(e.CommandArgument)
        If
e.CommandName = "UpdateYes" Then
            'code here to disable buttons and textbox
            '...
           
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "Yes"
        End If    

        If
e.CommandName = "UpdateNo" Then
            'code here to disable buttons and textbox
            '...
           
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "No"
        End If

   
    'if I use the SqlDataSource1_Updating
function, I get the mismatch error
        'but if I (mis)use the DefaultValue
parameter, no update occurs.
        SqlDataSource1.UpdateParameters("ResponseComments1").DefaultValue = _
           
GridView1.Rows(GridRow1).FindControl("txtComments").ToString
        SqlDataSource1.UpdateParameters("Responder1").DefaultValue =
User.Identity.Name
        SqlDataSource1.UpdateParameters("ResponseDate1").DefaultValue =
DateTime.Now
        SqlDataSource1.UpdateParameters("PrimaryKey1").DefaultValue = _
           
GridView1.Rows(GridRow1).Cells(0).Text
           
   
    Try
          
SqlDataSource1.Update() 'Error Here if I use on_updating: "Data
type mismatch in criteria expression."
        Catch except As Exception
            ' Handle the Exception.
        End Try
    End Sub

</SCRIPT>
<body>
    <form id="formInv"
runat="server">
    <div>
          <asp:SqlDataSource ID="SqlDataSource1" runat="server"
            ConnectionString="<%$
ConnectionStrings:LocalTestMDB %>"
            ProviderName="<%$
ConnectionStrings:LocalTestMDB.ProviderName %>"
            SelectCommand="SELECT
[PrimaryKey], [Name], [AssetTag], [Response], [Responder],
[ResponseDate],[ResponseComments] FROM [Tablename] WHERE ([Name] = ?) ORDER BY
[Login Name], [AssetTag]"
            UpdateCommand="Update
[Tablename] SET [Response]=@Response1, [Responder]=@Responder1,
[ResponseDate]=ResponseDate1, [ResponseComments]=ResponseComments1 WHERE
[PrimaryKey]=@PrimaryKey1"
            OnSelecting="SqlDataSource1_Selecting"
            OnUpdating="SqlDataSource1_Updating">
            <SelectParameters>
        
       <asp:Parameter DefaultValue=""  Name="Name1" Type=String />
            </SelectParameters>
            <UpdateParameters>
               
<asp:Parameter Name="ResponseComments1"
Type=String DefaultValue=""
/>
               
<asp:Parameter Name="Response1"
Type=String DefaultValue=""
/>
               
<asp:Parameter Name="ResponseDate1"
Type=DateTime DefaultValue="#8/1/2007
12:00:00PM#" />
               
<asp:Parameter Name="Responder1"
Type=String DefaultValue=""
/>
               
<asp:Parameter Name="PrimaryKey1"
Type=Int32 DefaultValue=0 />
            </UpdateParameters>
        </asp:SqlDataSource>
        <span>Hi, Please
respond by clicking "Yes" or "No" for each asset</span>
        <asp:GridView ID="GridView1" runat="server"
            AutoGenerateColumns="False"
DataKeyNames="PrimaryKey"
            DataSourceID="SqlDataSource1">

           
<Columns>
               
<asp:BoundField DataField="PrimaryKey"
HeaderText="PrimaryKey"
       
            AccessibleHeaderText="PrimaryKey" Visible=False/>           

               
<asp:BoundField DataField="Name"
HeaderText="Name"
SortExpression="Name"
       
            AccessibleHeaderText="Name" />           

               
<asp:BoundField DataField="AssetTag"
HeaderText="AssetTag"
SortExpression="AssetTag"
               
    AccessibleHeaderText="AssetTag"
/>
               
<asp:TemplateField 
HeaderText="Please
Respond">
                   
<ItemTemplate>
                   
<asp:Button ID="btnYes" runat="server"
Text="Yes"
Visible="true"
               
        CommandName='UpdateYes'
               
        CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />
                   
<asp:Button ID="btnNo" runat="server"
Text="No"
Visible="true"
               
        CommandName='UpdateNo'
               
        CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />&nbsp;
                   
<br />
                   
<asp:Label ID="lblComments"
runat="server"
Text="Comments:"
Visible=True></asp:Label>
                   
<asp:TextBox ID="txtComments"
runat="server"
Text='<%#
Bind("ResponseComments") %>'
       
               
Visible=True MaxLength=512 Height=24 Width=320 Wrap=True Enabled=True
               
        TextMode=MultiLine></asp:TextBox>&nbsp;
                   
</ItemTemplate>
               
</asp:TemplateField>
            </Columns>
        </asp:GridView>
        </div>
    </form>
</body>
</html>

 

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Nov 7, 2007

Hi,
Using VS.NET 2008 Beta2, and SQL Server 2005.
I have a gridview bound to a linq data source, and when trying to update a row, I get an exception that no rows were modified.
The query generated is:
 UPDATE [dbo].[package]
SET [owner_id] = @p5
WHERE ([package_id] = @p0) AND ([title] = @p1) AND ([directory] = @p2) AND ([owner_id] = @p3) AND ([creation_date] = @p4)
-- @p0: Input Int32 (Size = 0; Prec = 0; Scale = 0) [20006]
-- @p1: Input String (Size = 22; Prec = 0; Scale = 0) [Visual Studio.NET 2005]
-- @p2: Input String (Size = 26; Prec = 0; Scale = 0) [MSI_Visual_Studio.NET_2005]
-- @p3: Input Int32 (Size = 0; Prec = 0; Scale = 0) [10000]
-- @p4: Input DateTime (Size = 0; Prec = 0; Scale = 0) [11/07/2007 12:00:00 a.m.]
-- @p5: Input Int32 (Size = 0; Prec = 0; Scale = 0) [10001]
-- Context: SqlProvider(Sql2005) Model: AttributedMetaModel Build: 3.5.20706.1

 
If I run it manually on sql server, it fails until the directory column is removed. The type is varchar(50), with a uniqueness constraint. However, this is same type as the title column, which doesn't have this problem.
Thanks,
Jessica

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Oct 20, 2006

The Folowing code is not working anymore. (500 error)

Set objRS = strSQL1.Execute
strSQL1 = "SELECT * FROM BannerRotor where BannerID=" & cstr(BannerID)
objRS.Open strSQL1, objConn , 2 , 3 , adCmdText
If not (objRS.BOF and objRS.EOF) Then
objRS.Fields("Exposures").Value =objRS.Fields("Exposures").Value + 1
objRS.update
End If
objRS.Close

The .execute Method works fine

strSQL1 = "UPDATE BannerRotor SET Exposures=Exposures+1 WHERE BannerID=" & cstr(BannerID)
objConn.Execute strSQL1

W2003 + IIS6.0

Pls advice?

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Jan 7, 2004

I am writing a pgm that attaches to a SQL Server database. I have an Add stored procedure and an Update stored procedure. The two are almost identical, except for a couple parameters. However, the Add function works and the Update does not. Can anyone see why? I can't seem to find what the problem is...

This was my test:


Dim cmd As New SqlCommand("pContact_Update", cn)
'Dim cmd As New SqlCommand("pContact_Add", cn)

Try
cmd.CommandType = CommandType.StoredProcedure

cmd.Parameters.Add("@UserId", SqlDbType.VarChar).Value = UserId
cmd.Parameters.Add("@FirstName", SqlDbType.VarChar).Value = TextBox1.Text
[...etc more parameters...]
cmd.Parameters.Add("@Id", SqlDbType.VarChar).Value = ContactId

cn.Open()
cmd.ExecuteNonQuery()

Label1.Text = "done"
cn.Close()

Catch ex As Exception
Label1.Text = ex.Message
End Try


When I use the Add procedure, a record is added correctly and I receive the "done" message. When I use the Update procedure, the record is not updated, but I still receive the "done" message.

I have looked at the stored procedures and the syntax is correct according to SQL Server.

Please I would appreciate any advice...

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Nov 21, 2006

Hi all,
I have a gridview bound with a SQLDataSource. I am using the Update feature of the SQLDataSource to update a SQL Server database with values entered into the gridview. However I am not getting it to work. I believe this is due to the controls that contain the user entries are not the gridview itself, but rather child controls within the gridview. I have been using the names of the actual controls but nothing happens. Upon submit, the screen returns blank, and the database is not updated. Here is some code:
 
<asp:GridView ID="GridEditSettlement" runat="server" AutoGenerateColumns="False" BackColor="Navy"
BorderColor="IndianRed" BorderStyle="Solid" Font-Names="Verdana" Font-Size="X-Small" DataSourceID="SqlDataSource_grid" AllowPaging="True" AllowSorting="True" ForeColor="White" DataKeyNames="legid">
<Columns>
<asp:CommandField ShowEditButton="True" CancelImageUrl="~/App_Graphics/quit.gif" CancelText="" EditImageUrl="~/App_Graphics/EditGrid.GIF" EditText="" UpdateImageUrl="~/App_Graphics/save.gif" UpdateText="" ButtonType="Image" />
<asp:BoundField DataField="StartDate" HeaderText="Start Date" ReadOnly="True" />
<asp:BoundField DataField="EndDate" HeaderText="End Date" ReadOnly="True" />
<asp:BoundField DataField="CounterpartDealRef" HeaderText="CP Deal Ref" ReadOnly="True" />
 
<asp:TemplateField HeaderText="Preliminary Settlement Price" ><ItemTemplate>
<asp:Label ID=lblPreliminary runat=server Text='<%# Bind("PrimarySettlementPrice") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox runat="server" ID=txtPrimaryPrice Text='<%# Bind("PrimarySettlementPrice") %>'></asp:TextBox>
 
</EditItemTemplate></asp:TemplateField>
 
<asp:TemplateField HeaderText="Agreed Settlement Price"><ItemTemplate>
<asp:Label ID=lblAgreed runat=server Text='<%# Bind("AgreedSettlementPrice") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox runat="server" ID=txtAgreedPrice Text='<%# Bind("AgreedSettlementPrice") %>'></asp:TextBox>
 
</EditItemTemplate></asp:TemplateField>
 
 
<asp:BoundField DataField="Volume" HeaderText="Volume" ReadOnly="True" />
<asp:BoundField DataField="Price" HeaderText="Price" ReadOnly="True" />
<asp:BoundField DataField="TotalVolume" HeaderText="Total Volume" ReadOnly="True" />
<asp:BoundField DataField="InstrumentName" HeaderText="Instrument" ReadOnly="True" />
<asp:BoundField DataField="NominalValue" HeaderText="Nominal Value" ReadOnly="True" />
<asp:BoundField DataField="Strike" HeaderText="Strike" ReadOnly="True" />
<asp:BoundField DataField="DeliveryDate" HeaderText="Delivery Date" ReadOnly="True" />
<asp:TemplateField HeaderText="LegId" SortExpression="LegId">
<ItemTemplate>
<asp:Label ID="lblLegID" runat="server" Text='<%# Bind("LegId") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox runat="server" ID=txtLegID Text='<%# Bind("LegId") %>'></asp:TextBox>
 
</EditItemTemplate>
</asp:TemplateField>
 
 
</Columns>
<RowStyle BackColor="#FFFF66" ForeColor="#333333" />
<EditRowStyle BackColor="#FFFF66" Font-Names="Verdana" Font-Size="X-Small" ForeColor="#333333" />
<PagerStyle ForeColor="White" />
<AlternatingRowStyle BackColor="White" ForeColor="#333333" />
</asp:GridView>
&nbsp;<br />
 
<asp:SqlDataSource ID="SqlDataSource_grid" runat="server" ConnectionString="<%$ ConnectionStrings:DealCaptureDev %>" SelectCommand="sp_get_single_deal" SelectCommandType="StoredProcedure" UpdateCommand="Update trDealLeg Set PrimarySettlementPrice=@primarysettlement, AgreedSettlementprice=@agreedsettlement, LastUpdate=GetDate(), LastUpdateBy=Session('userid') Where LegID=@legid" EnableCaching="True" ConflictDetection="CompareAllValues" ProviderName="System.Data.SqlClient">
<SelectParameters>
<asp:QueryStringParameter DefaultValue="" Name="dealnum" QueryStringField="deal"
Type="String" />
</SelectParameters>
<UpdateParameters>
<asp:ControlParameter ControlID="txtLegId" PropertyName="Text" Name="legId" />
<asp:ControlParameter ControlID="txtPrimarySettlement" Name="primarysettlement" PropertyName="Text" />
<asp:ControlParameter ControlID="txtAgreedSettlement" Name="agreedsettlement" PropertyName="Text"/>
<asp:SessionParameter DefaultValue="" Name="userid" SessionField="userid" />
</UpdateParameters>
</asp:SqlDataSource>
 
As seen above, controls such as txtPrimarySettlement are referenced but the update is not successful. The text boxes are within the GridEditSettlement gridview.  In the .aspx code I cannot use FindControl (at least I don't think it will work).
So the questions are:  Is it possible to reference the child controls, if so - how?  Is there another way to do this, such as in the vb code behind - in the either the gridview's RowUpdating event or the SQLDataSource's Updating event.
What is the best approach?  Anyone come up against this issue before?
 Thanks,
KB

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Jan 22, 2007

Hello,
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2 DataSourceID="SqlDataSource1" AutoGenerateColumns="False" OnSorted="GridView1_Sorted">
3 <Columns>
4 <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
5 <asp:BoundField DataField="column1" HeaderText="CO" SortExpression="column1" />
6 <asp:BoundField DataField="column2" HeaderText="Network" SortExpression="column2" />
7 <asp:BoundField DataField="column3" HeaderText="C/S/T" SortExpression="column3" />
8 <asp:BoundField DataField="column4" HeaderText="Date Received" SortExpression="column4" DataFormatString="{0:d}" HtmlEncode="False" />
9 <asp:BoundField DataField="DESCRIPTION" HeaderText="Description" SortExpression="DESCRIPTION" />
10 <asp:BoundField DataField="column5" HeaderText="In Service Date" SortExpression="column5" DataFormatString="{0:d}" HtmlEncode="False" />
11 <asp:BoundField DataField="REMARKS" HeaderText="Remarks" SortExpression="REMARKS" />
12 <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True"
13 SortExpression="ID" />
14 </Columns>
15 </asp:GridView>
16 <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConduitConnectionString %>"
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18 <SelectParameters>
19 <asp:QueryStringParameter Name="Inspector_Name" QueryStringField="Name" Type="String" />
20 </SelectParameters>
21 <DeleteParameters>
22 <asp:Parameter Name="ID" Type="Int32" />
23 </DeleteParameters>
24 <UpdateParameters>
25 <asp:Parameter Name="column1" Type="String" />
26 <asp:Parameter Name="column2" Type="Double" />
27 <asp:Parameter Name="column3" Type="String" />
28 <asp:Parameter Name="column4" Type="DateTime" />
29 <asp:Parameter Name="DESCRIPTION" Type="String" />
30 <asp:Parameter Name="column5" Type="DateTime" />
31 <asp:Parameter Name="REMARKS" Type="String" />
32 <asp:Parameter Name="ID" Type="Int32" />
33 </UpdateParameters>
34 </asp:SqlDataSource>
Thanks!Rob.

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Jan 3, 2006

I have a GridView dispalying from a SQLServerDataSource that is using a SQL Select Union statement (like the following):

SELECT    FirstName,    LastNameFROM    MasterUNION ALLSELECT    FirstName,    LastNameFROM    CustomORDER BY    LastName,    FirstName
I am wondering how to create Update and Insert statements for this SQLServerDataSource since the select is actually driving from two different tables (Master and Custom).  Any ideas if or how this can be done?  Specifically, I want the Custom table to be editable, but not the Master table.  Any examples or ideas would be very much appreciated!
Thanks,
Randy

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Jun 12, 2008

Hi, I am seeking a hopefully easy solution to spit back an error message when a user receives no results from a SQL server db with no results. My code looks like this What is in bold is the relevant subroutine for this problem I'm having.   Partial Class collegedb_Default Inherits System.Web.UI.Page Protected Sub submit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles submit.Click SqlDataSource1.SelectCommand = "SELECT * FROM [college_db] WHERE [name] like '%" & textbox1.Text & "%'" SqlDataSource1.DataBind() If (SqlDataSource1 = System.DBNull) Then no_match.Text = "Your search returned no results, try looking manually." End If End Sub Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load SqlDataSource1.SelectCommand = "SELECT * FROM [college_db] ORDER BY [name]" SqlDataSource1.DataBind() End Sub Protected Sub reset_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles reset.Click SqlDataSource1.SelectCommand = "SELECT * FROM [college_db] ORDER BY [name]" SqlDataSource1.DataBind() End SubEnd Class  I'm probably doing this completely wrong, I'm a .net newb. Any help would be appreciated. Basically I have GridView spitting out info from a db upon Page Load, but i also have a search bar above that. The search function works, but when it returns nothing, I want an error message to be displayed. I have a label setup called "no_match" but I'm getting compiler errors. Also, next to the submit button, I also have another button (Protected sub reset) that I was hoping to be able to return all results back on the page, similar to if a user is just loading the page fresh. I'd think that my logic would be OK, by just repeating the source code from page_load, but that doens't work.The button just does nothing. One final question, unrelated. After I set this default.aspx page up, sorting by number on the bottom of gridview, ie. 1,2,3,4, etc, worked fine. But now that paging feature, as long with the sorting headers, don't work! I do notice on the status bar in the browser, that I receive an error that says, "error on page...and it referers to javascript:_doPostBack('GridView1, etc etc)...I have no clue why this happened. Any help would be appreciated, thanks! 

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Jan 27, 2008

Hello  Just having an issue with my code not updating my tables.  Fairly new to asp so its frustrating me that its not working Here is my code  1 Protected Sub btnAddBusDetails_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAddBusDetails.Click
2 Dim datasource As New SqlDataSource()
3 datasource.ConnectionString = ConfigurationManager.ConnectionStrings("insolvency_dbConnectionString").ToString()
4
5 datasource.UpdateCommand = "Update PrincipalContact set [princName] = @Name, [princPosition] = 'The man', [princContactNumber] = 'At home' Where ([username] = @userName);"
6 datasource.UpdateCommandType
7 datasource.UpdateParameters.Add("userName", My.User.Name)
8 datasource.UpdateParameters.Add("Name", Principal_Name.Text)
9 datasource.UpdateParameters.Add("Position", Principal_Position.Text)
10 datasource.UpdateParameters.Add("Contact", Principal_Contact.Text)
11 datasource.Update()
12
13
14 Dim datasource2 As New SqlDataSource()
15 datasource2.ConnectionString = ConfigurationManager.ConnectionStrings("insolvency_dbConnectionString").ToString()
16
17 datasource2.UpdateCommand = "Update Firm set [insolvencyPractitioner] = @insolvencyPractitioner, [companyName] = @companyName, [tradingAs] = @tradingAs, [businessDescription] = @businessDescription, [principalAddress] = @principalAddress, [tradingStatus] = @tradingStatus, [numberOfEmployees] = @numberOfEmployees, [locationsByState] = @locationsByState Where ([userName] = @userName);"
18 datasource2.UpdateParameters.Add("userName", My.User.Name)
19 datasource2.UpdateParameters.Add("insolvencyPractitioner", Insolvency_Practitioner.Text)
20 datasource2.UpdateParameters.Add("companyName", Company_Name.Text)
21 datasource2.UpdateParameters.Add("tradingAs", Trading_As.Text)
22 datasource2.UpdateParameters.Add("businessDescription", Description_of_Business.Text)
23 datasource2.UpdateParameters.Add("principalAddress", Principal_Address.Text)
24 datasource2.UpdateParameters.Add("tradingStatus", Trading_status.Text)
25 datasource2.UpdateParameters.Add("numberOfEmployees", Number_of_Employees.Text)
26 datasource2.UpdateParameters.Add("locationsByState", Location_by_state.Text)
27
28 datasource2.Update()
29
30 Response.Redirect("~/Default.aspx")
31
32
33
34 End Sub No errors are occurring and when I replace the parameters with actual text it works.eg. Update Firm set [insolvencyPractitioner] = @insolvencyPractitioner, [companyName] = @companyName .... to Update Firm set [insolvencyPractitioner] = 'Luke', [companyName] = 'A Company' ..... Not sure why this is happening. Can someone please give me a hand. Thanks  

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Mar 19, 2000

I have a table and I want to update it with data that is available in a
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UPDATE trainee
SET tra_HomePhone = phone$.EPhoneH,
tra_areaHomePhone = phone$.EPhoneHA,
tra_workPhone = phone$.EPhoneW,
tra_areaWorkPhone = phone$.EPhoneWA,
tra_postcode = phone$.EAddressHP
WHERE trainee.tra_regId = phone$.regID

Any reason why this is not working? Thanks in advance for any help.

Anthony

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Sep 6, 2006

I'm new to ASP and ASP.NET so I used the Wizards in Visual Web Deverlopment Express 2005 to build the following code:<asp:DetailsView ID="DetailsView" runat="server" DataSourceID="TracksDataSource"
Height="50px" Width="125px" AutoGenerateEditButton="True" AutoGenerateRows="False">
<Fields>
<asp:BoundField DataField="pk_trackID" HeaderText="pk_trackID" ReadOnly="True" SortExpression="pk_trackID" />
<asp:BoundField DataField="trackName" HeaderText="trackName" SortExpression="trackName" />
<asp:BoundField DataField="trackPath" HeaderText="trackPath" SortExpression="trackPath" />
<asp:BoundField DataField="lyrics" HeaderText="lyrics" SortExpression="lyrics" />
</Fields>
</asp:DetailsView>

<asp:SqlDataSource ID="TracksDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:connectionString %>"
SelectCommand="SELECT * FROM [Tracks] WHERE ([pk_trackID] = @pk_trackID)" UpdateCommand="UPDATE [Tracks] SET [trackName] = @trackName, [trackPath] = @trackPath, [lyrics] = @lyrics WHERE [pk_trackID] = @pk_trackID" >
<UpdateParameters>
<asp:Parameter Name="trackName" Type="String" />
<asp:Parameter Name="trackPath" Type="String" />
<asp:Parameter Name="lyrics" Type="String" />
<asp:Parameter Name="pk_trackID" Type="String" />
</UpdateParameters>
<SelectParameters>
<asp:ControlParameter ControlID="TracksListBox" Name="pk_trackID" PropertyName="SelectedValue" Type="String" />
</SelectParameters>
</asp:SqlDataSource>  However, when I click Edit, change something, and then Update it doesn't update the database. However, if I remove the DataField bindings and use the AutoGenerateRows feature it works fine.

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Feb 13, 2007

i am using visual web developer 2005 and SQL Express 2005 and VB as the code behindi have a table called orderdetail and i want to update the fromdesignstatus field from 0 to 1 in one of the rows containing order_id = 2so i am using the following coding in button click event  Protected Sub updatebutton_Click(ByVal sender As Object, ByVal e As System.EventArgs)        Dim update As New SqlDataSource()        update.ConnectionString = ConfigurationManager.ConnectionStrings("DatabaseConnectionString").ToString()        update.UpdateCommandType = SqlDataSourceCommandType.Text        update.UpdateCommand = "UPDATE orderdetail SET fromdesignstatus = '1' WHERE order_id = '2'"  End Sub  but the field is not updatedi do not know where i have gone wrong in my coding. i am sure that my database connection string is correctplease help me 

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Sep 24, 2007

Hi,
I am trying to concatenate the columns (PrevEmp01, PrevEmp02, PrevEmp03, PrevEmp04, PrevEmp05) into column (ft) using trigger:
CREATE TRIGGER [tg_prevemp_ft_update] ON [tStaffDir_PrevEmp] FOR INSERT, UPDATEASUPDATE tStaffDir_PrevEmp SET ft = PrevEmp01 + ' ' + PrevEmp02 + ' ' + PrevEmp03 + ' ' + PrevEmp04 + ' ' + PrevEmp05
I would expect the (ft) column will be populated accordingly regardless if any of the columns are (Null).But the Trigger will only work when all the 5 columns are populated. If one of the column is (Null), the (ft) column will be (Null) too.Please advise. Many Thanks.

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Sep 24, 2007

 Hi,I have three tables 


Time_Sheet




Pin_Code


P_Date


Day_Status




Primary Key


Primary Key




 




      


Leave




P_Number


Leave_Code


Start_Date


End_Date




Primary Key


 


 


 




      


Employees




P_Number


Pin_Code


 More>>




Primary Key


Primary Key


 




     I want to update Day_Status in Time_Sheet from Leave_Code (Leave) when P_Date in Time_Sheet  between start date and End Date in Leave  I am getting Msg 512, Level 16, State 1, Line 1Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.The statement has been terminated.Please help me.Thanks,Janaka 

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Jan 29, 2008

Can someone please tell me why in the bloody hell this isnt working? It ignores the WHERE VENDORID match portion and marks all instances of USERID match to TRUE. I've been banging my head for an hour... have I really forgotten basic sql???!!!!public static void UpdateVendor(VendorEvaluationEntity VEE)
{int vendorid = Convert.ToInt32(VEE.VendorevalVendor);
int userid = Convert.ToInt32(VEE.VendorevalUser);SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["VendorEvaluationConnectionString"].ConnectionString);
SqlCommand cmd = new SqlCommand("Update tblVendorUser set vendoruser_vendor_evaluated = 'true' where (vendoruser_vendor_id = @vendorid) and (vendoruser_user_id=@userid)", conn);SqlParameter pmvendorid = new SqlParameter();
SqlParameter pmuserid = new SqlParameter();pmvendorid.ParameterName = "@vendorid";pmvendorid.SqlDbType = SqlDbType.Int;
pmvendorid.Value = vendorid;
pmuserid.ParameterName = "@userid";pmuserid.SqlDbType = SqlDbType.Int;
pmuserid.Value = userid;
cmd.Parameters.Add(pmvendorid);
cmd.Parameters.Add(pmuserid);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
 
}

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Feb 18, 2008

hi, i am tryuing to use the gridview as means for the user to be able to edit delete and update columns of the database. however when it is run in the browser it allows the user to edit the fields but when i click on the update button it throws an error. can someone please offer me advice on how i can sort this problem out or provide me with any examples as i cant see what the error is. i used the option in edit columns which allows you to specify you want update delete etc controls added to the gridview. how can i make it so it supports updating? thank you
Updating is not supported by data source 'SqlDataSource1' unless UpdateCommand is specified.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NotSupportedException: Updating is not supported by data source 'SqlDataSource1' unless UpdateCommand is specified.Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

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Jun 9, 2008

Hi,
Can anyone tell me why my Update attempts are not working? Here is my code:
<body>
<form id="form1" runat="server">
<div>
 <asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="125px"
AutoGenerateEditButton="True" AutoGenerateRows="False" DataSourceID="SqlDataSource1"
DefaultMode="Edit">
<Fields>
<asp:BoundField DataField="City" HeaderText="City" SortExpression="City" />
</Fields>
</asp:DetailsView><asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionStringListings %>"
SelectCommand="SELECT [City] FROM [Listings]"
UpdateCommand="UPDATE [Listings] Set [City]=@City WHERE [ListingID]=@ListingGuid ">
<UpdateParameters>
<asp:Parameter Name="City" />
<asp:Parameter Name ="ListingGuid" />
</UpdateParameters>
</asp:SqlDataSource>
 
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
</div></form>
</body>
And here is my code behindProtected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load ListingGuid = Request.QueryString("GUID")
End SubProtected Sub DetailsView1_ItemUpdated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewUpdatedEventArgs) Handles DetailsView1.ItemUpdated
Label1.Text = "updated"
Label2.Text = ListingGuidEnd Sub
Please let me know what I am doing wrong? 
 

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Mar 21, 2000

Hi,

I am trying to write an update query to update rows in one table.

Structure of Table1:

SocialSecurityNumber Varchar(9) -- Primary Key
Name Varchar(30)

Structure of Table2 :

SocialSecurityNumber Varchar(9)
Name Varchar(30)

Table 1 contains:

Row1: "123456789" Sally
Row2: "999999999" Bill
Row3: "333333333" Alex

Table 2 contains:

Row1: "123456789" <NULL>
Row2: "123456789" <NULL>

Basically I want to update the name column in Table 2 (based on the SocialSecurityNumber column) so that after
the update Table 2 will contain:

Row1: "123456789" Sally
Row2: "123456789" Sally
------------------------------------------------------------
First I tried:

UPDATE Table2
INNER JOIN Table1 ON Table2.SocialSecurityNumber = Table1.SocialSecurityNumber
SET Table2.Name = Table1.Name
WHERE Table2.SocialSecurityNumber = Table1.SocialSecurityNumber

This works in Access but not it SQL Server 7.0.
------------------------------------------------------------
Then I tried:

UPDATE Table2
INNER JOIN Table1 ON Table2.SocialSecurityNumber = Table1.SocialSecurityNumber
SET Table2.Name = Table1.Name

Again this works in Access but not it SQL Server 7.0.
------------------------------------------------------------
Finally I tried:

UPDATE Table2, Table1
SET Table2.Name = Table1.Name
WHERE Table2.SocialSecurityNumber = Table1.SocialSecurityNumber

This also did not work.
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Is there any way to write this update statement without cursors?

Thanks.

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