Session Parameters

Jun 16, 2008

Hi, Can somebody tell me what's wrong with this statement or why the Session parameter is not working.

   <asp:SqlDataSource ID="datalist_SQL" runat="server"
ConnectionString="<%$ ConnectionStrings:DatabaseConnectionString2 %>"
SelectCommand="SELECT * FROM tbl_subProduct, tbl_material, tbl_product, tbl_subCategory, tbl_topCategory, tbl_topLevelProduct WHERE [tbl_subProduct].[numProductID] = [tbl_product].[numProductID] AND [tbl_product].[numTopLevelProductID] = [tbl_topLevelProduct].[numTopLevelProductID] AND [tbl_topLevelProduct].[numSubCategoryID] = [tbl_subCategory].[numSubCategoryID] AND [tbl_subCategory].[numTopCategoryID] = [tbl_topCategory].[numTopCategoryID] AND [tbl_material].[numMaterialID] = [tbl_product].[numMaterialID] AND @fldArray ">
<SelectParameters>
<asp:SessionParameter Name="fldArray" SessionField="ids_array" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource> Many Thanks

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Sqldatasource Using Session Data In Select Parameters

Jan 12, 2007

I'm having trouble using session data in my select parameters.  If I manually plug a value into the selectcommand or create a hard coded value using a parameter it works, but if I try to use the session data the query pulls no results.  I know the session data is set because I print the value at the top of the page, but for some reason it's not getting passed to the sessionparameter??? 
 This is the datasource code:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:flautoconnstr %>"
SelectCommand="SELECT * FROM [tblVehicles] WHERE ([profileid] = @profileid)">
<SelectParameters>
<asp:SessionParameter Name="profileid" SessionField="profileid" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
 
This is the line I use to set the session data.
Session["profileid"] = myQuote.Profileid;

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Aug 3, 2006

The 2.0 version of ASPSTATE is slightly different than the 1.1 version in that one table has one additional column and another table uses a different data type and size for the key. The 2.0 version also has a couple additional stored procedures.

We'd like to manage just one session state database if possible so we're trying to figure out if Microsoft supports using the new schema for 1.1 session state access (it seems to work, but our testing has been very light).

Is there any official support line on this? If not, can anyone comment on whether or not you'd expect it to work and why?

Thanks.

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Session

Sep 20, 2001

Hi all,

I need some solution..
When i execute a program it first deletes all datas from a
'X' table .Then fetches data from various other tables and
inserts into this 'X' table.I finally generate a report from
this 'X' table.

Now the problem is,
USER 1 : Executes the program - Datas in 'X' table got deleted and
filled up with new data.Report is getting processed.....
USER 2 : Executes the same program - Datas in the same 'X' table
getting deleted ..
So the report process of USER 1 got affected.

Solution 1 : Using IP address of local machine i solved the problem.But
i need a concrete solution for this ..something related to sessions..

CAN ANYONE HELP ??

Thanx and Regards
Prabhu

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Feb 1, 2006

Does Session term exist in SQL Server?If yes, when it creates, how can monitor it. And where does itsinformation store?Thanks alot

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Jun 5, 2008

How do you return the ID of an item to a Session in a ASP forum?
I have a MS-SQL Server 2005 database.
My table looks like this QuoteID, QuoteNumber, Date.
In SQL:
INSERT INTO table (QuoteNumber, Date) values ('123490WC1", '06/2/2008')DECLARE @ItemID INTSET @ItemID=IDENT_CURRENT('table')
What I would like to do is return @ItemID to the ASP forum; I assume Session would be the best.
After I get the @ItemID I have a Grid which I will to insert the Quote Items into.
Thanks,
marly

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Session Variable Help!!!!!

Oct 29, 2004

Hi...
I'm developing a web app with VS 2005 Beta and I do not know how to include a seasson variable value into my code.

This is my code:

Function GetData() As System.Data.SqlClient.SqlDataReader
Dim sqlconn As System.Data.SqlClient.SqlConnection
Dim SqlCommand1 As System.Data.SqlClient.SqlCommand
Dim sqlRdr As System.Data.SqlClient.SqlDataReader
sqlconn = New SqlConnection("SERVER=SRVR;UID=USR;Password=PWD;DATABASE=MyDatabase")
sqlconn.Open()
SqlCommand1 = New SqlCommand("MyStrProc", sqlconn)
SqlCommand1.CommandTimeout = 1800
sqlRdr = SqlCommand1.ExecuteReader(CommandBehavior.CloseConnection)
Return sqlRdr
End Function

MyStrProc is:

CREATE PROCEDURE MyStrProc
@MyVar int
AS
IF @MyVar IS NOT NULL
BEGIN
.................
......t12.acct_nbr IN (@MyVar)
.....
END
GO

The variable @MyVar get its value from user log info in login page, and create a session variable.

My Question:

How and where to call seasson variable @MyVar, because now I'm getting this error:
Procedure 'MyStrProc' expects parameter '@MyVar', which was not supplied.

Any help will be great.

Tks

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Jan 13, 2006

I'm new on ASP.NET 2.0Can anyone tell me how to get data from SQL to Session properties?
In Classic ASP, it looks very simple as below.dim connset conn = server.createobject("adodb.recordset")rssql = "select myid, mypw from mydb where myid = '"& request("myid") &"' and mypw = '"& request("mypw") &"'"set rs = conn.execute(rssql)if rs.eof = true thensession("myid") = rs("myid")session("mypw") = rs("mypw")end if
How to do the same things on ASP.NET?Many thanks!

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Sep 1, 2006

How to find user session id in mssql

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Sep 16, 2004

Hi:

I want to open a new session/connection inside the execution of a stored procedure. Is this possible ?
I ask this because I need a new sesssion with its own transaction.

Thanks,
Rui Ferreira

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Jun 22, 2007

Can we use session variable in reporting services.. say go to report -> properties and create a VB function that get ans set session variable.. If yes, how. If not, any workaround?

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May 9, 2006

Is there any way in stored procedure to find out a name of terminal session initiated connection to SQL Server?

Thanks for response

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Oct 17, 2007

Hi guys,

I would like to manage the following:
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SELECT * From SomeTable;
INSERT INTO SomeTable (SomeData) VALUES(12);
COMMIT TRANSACTION;

This should be easy usually. However, we need to have each row/command executed individually (using the SqlDataSource object in ASP.NET).

Is there a way how to make the transactions work over multiple executions?

Thanks,

Martin

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Jul 11, 2006

Hi

I have designed reports using SQL Server Business Intelligence Development Studio tool (Sql Server reporting service). I have uploaded these reports to report manager.

I am displaying list of reports in tree view control, in my application. I am viewing report in Report Viewer control as per the report selection in tree view control, in same page. I am getting

Server Error in '/Application_name' Application or
ASP.NET session has expired error frequently while switching between various reports. Kindly provide me solution


.





Regards

Sagayaraj Rayappan

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Mar 12, 2008

Hi all,
From the "How to Call a Parameterized Stored Procedure by Using ADO.NET and Visual Basic.NET" in http://support.microsft.com/kb/308049, I copied the following code to a project "pubsTestProc1.vb" of my VB 2005 Express Windows Application:


Imports System.Data

Imports System.Data.SqlClient

Imports System.Data.SqlDbType

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Dim PubsConn As SqlConnection = New SqlConnection("Data Source=.SQLEXPRESS;integrated security=sspi;" & "initial Catalog=pubs;")

Dim testCMD As SqlCommand = New SqlCommand("TestProcedure", PubsConn)

testCMD.CommandType = CommandType.StoredProcedure

Dim RetValue As SqlParameter = testCMD.Parameters.Add("RetValue", SqlDbType.Int)

RetValue.Direction = ParameterDirection.ReturnValue

Dim auIDIN As SqlParameter = testCMD.Parameters.Add("@au_idIN", SqlDbType.VarChar, 11)

auIDIN.Direction = ParameterDirection.Input

Dim NumTitles As SqlParameter = testCMD.Parameters.Add("@numtitlesout", SqlDbType.Int)

NumTitles.Direction = ParameterDirection.Output

auIDIN.Value = "213-46-8915"

PubsConn.Open()

Dim myReader As SqlDataReader = testCMD.ExecuteReader()

Console.WriteLine("Book Titles for this Author:")

Do While myReader.Read

Console.WriteLine("{0}", myReader.GetString(2))

Loop

myReader.Close()

Console.WriteLine("Return Value: " & (RetValue.Value))

Console.WriteLine("Number of Records: " & (NumTitles.Value))

End Sub

End Class

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
The original article uses the code statements in pink for the Console Applcation of VB.NET. I do not know how to print out the output of ("Book Titles for this Author:"), ("{0}", myReader.GetString(2)), ("Return Value: " & (RetValue.Value)) and ("Number of Records: " & (NumTitles.Value)) in the Windows Application Form1 of my VB 2005 Express. Please help and advise.

Thanks in advance,
Scott Chang

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New Value To A Existing Session Problems....

Jul 26, 2006

 
Ok, I am trying to teach myself asp.net and sql server. The problem I am having now is I want to update the session that already exists.  I have a global session (I think) that is UserEmployeeID, it is inputed when a user selects the select link on the search page which will redirect to an info page. I want to change the employee to a different employee, well I am updating the database well, no that is a lie it doesn’t that is another error, but anyway I try to update it to the new EmployeeID and it will not update…
 
Partial Class Assignment
    Inherits System.Web.UI.Page
 
    Protected Sub UpdateButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles UpdateButton.Click
 
        Dim empID As Integer
        Dim nbrID As Integer
        Dim equid As Integer
        Dim UpdateQuery
        Dim empequipid As SqlCommand
        Dim mySQLConnection As String = System.Configuration.ConfigurationManager.ConnectionStrings("DBConnectionString").ToString
        Dim myConnection As New SqlConnection(mySQLConnection)
        myConnection.Open()
 
        empID = CType(Session("UserEmployeeID"), Integer)
        equid = CType(Session("UserEquipID"), Integer)
 
 
        If CType(empID, Integer) = Nothing Then
            empID = (DropDownList1.SelectedValue)
            Response.Write("Insert: " & empID)
            'Response.End()
            Me.SqlDataSource1.InsertCommand = "INSERT INTO [EMPLOYEES_EQUIP] ([EquipID], [EmployeeID]) VALUES " & equid & " " & empID & ""
            Me.SqlDataSource1.InsertCommand = SqlDataSourceCommandType.Text
            Me.SqlDataSource1.Insert()
        Else
            empequipid = New SqlCommand("Select EmpEquipID From EMPLOYEES_EQUIP Where EmployeeID = " & empID & "  AND EquipID = " & equid & " ", myConnection)
            empequipid.CommandType = CommandType.Text
            nbrID = empequipid.ExecuteScalar
 
            ' Response.Write("Select EmpEquipID: " & nbrID)
 
            empID = (DropDownList1.SelectedValue)
 
            'Response.Write("<br>Update EmployeeID: " & empID)
 
            Me.SqlDataSource1.UpdateCommand = "UPDATE EMPLOYEES_EQUIP SET EmployeeID = " & empID & " WHERE EmpEquipID = " & nbrID & " "
            Me.SqlDataSource1.UpdateCommand = SqlDataSourceCommandType.Text
            Me.SqlDataSource1.Update()
 
            UpdateQuery = "UPDATE EMPLOYEES_EQUIP SET EmployeeID = " & empID & " WHERE EmpEquipID = " & nbrID & " "
            'Response.Write(UpdateQuery)
            'Response.End()
        End If
        Session("UserEployeeID") = (DropDownList1.SelectedValue)
        'Response.Write("<br>UserEmployeeID Session: " & Session("UserEmployeeID"))
 
 
        '-- Turn On Results Table
        resultstable.Visible = True
        '-- Hide Form by hiding table.
        maintable.Visible = False
        'clientSearch.Visible = False
 
    End Sub
End Class
 
I am also getting an error at Me.SqlDataSource1.Update() saying incorrect syntax near ‘0’ but there isn’t a 0??? I am confused…

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May 13, 2007

Hi,
I try to set a Session variable with the result of a SQL Selec statement. I tried the following, but it is not working.
Session("thisone") = SqlDataSource1.SelectCommand = "SELECT myfield FROM [mytable] WHERE ([username] = @username)"
@username is a value from a textbox. What I am doing wrong?
Thanks for your help, Chris

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Oct 4, 2004

I have some C# code that iterates through the session state, serializes each object and stores the binary representation in an SQL table with an 'image' column. The problem is: it doesn't work. SQL server doesn't throw an error (at least ADO.NET doesnt propagate it); the table is just left unchanged. The SP works (I tested it with a few simple values); the MemoryStream and byte array are being populated correctly and bound to the parameter correctly.

What am I doing wrong? Anyone have a better approach? I know there is a builtin way of storing state in an SQL server, but I only need to do this once--namely, when a user is redirected from non-secure to secure pages--so I don't want to take that performance hit,


string uid = _session.SessionID;
object toSerialize;
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream stream;

SqlConnection dbConn = SupportClasses.SqlUtilities.DBConn();
SqlCommand cmd;
SqlTransaction storeSession = null;
SqlParameter uidParam, keyParam, objParam;
try
{
dbConn.Open();
storeSession = dbConn.BeginTransaction();
foreach (string key in _session.Keys)
{
toSerialize = _session[ key ];
stream = new MemoryStream();
formatter.Serialize(stream, toSerialize);

cmd = new SqlCommand("store_session_object", dbConn, storeSession);
cmd.CommandType = CommandType.StoredProcedure;
uidParam = new SqlParameter("@uid", SqlDbType.VarChar);
uidParam.Value = uid;
cmd.Parameters.Add(uidParam);
keyParam = new SqlParameter("@object_key", SqlDbType.VarChar);
keyParam.Value = key;
cmd.Parameters.Add(keyParam);
objParam = new SqlParameter("@data", SqlDbType.Image);
objParam.Value = stream.ToArray();
cmd.Parameters.Add(objParam);

cmd.ExecuteNonQuery();
}
}
catch (SqlException ex)
{
SupportClasses.ErrorHandler.HandleSQLError(ex);
storeSession.Rollback();
}
catch (System.Runtime.Serialization.SerializationException exs)
{
// do something
}
finally
{
dbConn.Close();
}


For those interested, here is the code for the SP:

CREATE PROCEDURE store_session_object
@uid varchar(50),
@object_key varchar(25),
@data image
AS
INSERT INTO session_hold (uid, object_key, object)
VALUES (@uid, @object_key, @data)


[Cross-posted because issue spans several topics.]

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Hi all,
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thanks guys,
Marx

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Hi,

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Sam

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thanks.

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Hi

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Running a SQL Profiler trace shows me:

Error: 3910, Severity: 16, State: 2
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Jun 6, 2006

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Jul 16, 2007

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Hi,
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 number_in_gridview
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Vortex

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