How To Correctly Propogate Data Back To The Database

Jul 23, 2005

I have the following code but do not know the best way to return the updated
DataTable back to the database. I believe I can use the Update method of the
Data Adapter, BUT if true, I also believe I have to 'long-hand' write code
for each individual column data that's being added......this seems a bit
daft considering that the data is already in the disconnected data table.
Have I lost the plot?? Based on the code below, what is the correct
approach?

Note: sqlcnn is defined at module level.

Public Sub AddRequest(ByVal Eng As String, ByVal Bran As String, ByVal Req
As String) Implements IHelpSC.AddRequest

Dim dtNew As New DataTable("dtNew")
Dim drNew As DataRow
sqlda = New SqlDataAdapter("SELECT * FROM ActiveCalls", sqlcnn)
sqlda.Fill(dtNew)

'Add and populate the new datarow with
'data passed into this subroutine

drNew = dtNew.NewRow
drNew("CallTime") = Format(Date.Now, "dd MMM yyyy").ToString
drNew("Engineer") = Eng
drNew("Branch") = Bran
drNew("Request") = Req
dtNew.Rows.Add(drNew)

End Sub

Hope one of you wizards can help.

Rgds.....and Merry Christmas.

Phil

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Getting Data From Dataset Back Into Database

Sep 7, 2006

I'm new at this so I apologize in advance for my ignorance.

I'm creating a website that collects dates in a calendar control (from Peter Blum). When the page containing the control loads it populates the calendar with dates from the database (that have previously been selected by the user). The user then can delete existing dates and/or add new dates.

I create a dataset when the page loads and use it to populate the calendar. When the user finishes adding and deleting dates in the calendar control I delete the original dates from the dataset and then write the new dates to the dataset. I then give execute the data adapter update command to load the contents of the dataset back into the database. This command involves using parameterized queries. For example the Insert command is:

Dim cmdInsert As SqlCommand = New SqlCommand("INSERT INTO Requests VALUES(@fkPlayerIDNumber, @RequestDate, @PostDate, @fkGroupID)", conn)

cmdInsert.Parameters.Add(New SqlParameter("@fkPlayerIDNumber", SqlDbType.Int))

cmdInsert.Parameters.Add(New SqlParameter("@RequestDate", SqlDbType.DateTime))

cmdInsert.Parameters.Add(New SqlParameter("@PostDate", SqlDbType.DateTime))

cmdInsert.Parameters.Add(New SqlParameter("@fkGroupID", SqlDbType.Int))

da.InsertCommand = cmdInsert

The update command is:

da.Update(ds, "Requests")

When I run the program I get the following error:

Parameterized Query '(@fkPlayerIDNumber int,@RequestDate datetime,@PostDate datetime,' expects parameter @fkPlayerIDNumber, which was not supplied.

I've used debug print to establish that the table in the dataset contains what it should.

I would be more than grateful for any suggestions.

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<asp:TextBox ID="TextBox5" runat="server"
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Hello,i am in great trouble. I want to revert back to original state ofdatabase before i performed restore database on my sql server 2KDatabase. Accidently i didn't take backup of my Database and i didrestore, so is there any way to get the original state back of myDatabase?Any suggestion will be highly appriciated.Regards,S. Domadia.

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Edited Data Won't Propagate Back To The Database (VB 2005 Express &&amp; SQL Server 2005 Express)

Dec 11, 2006



Hi,

I'm trying to learn some VB programming with the VB 2005 Express Absolute Beginner Series video tutorials (which I think is great) and have come across a problem that I can't solve.

When I follow the instructions in Lesson 9 (Databinding Data to User Interface Controls) my application will display the data from the database correctly and I can edit it (and as long as the debugger is running the data remains changed). However, the changes won't propagate back to the database. I don't get any error messages but after I edit the data, save (with the save button on the BindingNavigator toolbar), and end debugging the data in my database remains unchanged. When I use a MessageBox to show how many rows where edited/updated in the

Me.myTableTableAdapter.Update(Me.myDatabaseDataSet.myTable)

I get the correct number back. I'm sure the problem is not due to coding errors since I've also tried running the accompanying Lesson 9 project file that can be downloaded from MSDN and the problem persists.

I'm using Windows XP SP2, SQL Server 2005 Express Edition and VB 2005 Express Edition. I've tried installing SQL Server 2005 Express with a number of different settings, including default settings, but it doesn't make any difference.

Would greatly appreciate any feedback on this as I'm keen to resolve this problem so I can get on with the next tutorial lesson.

Thanks,
Ieyasu

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Updating A Production Database With Back Up Of Development Database

May 11, 2007

Can someone provide a step by step tutorial for this? I'd like to safely update a database that is used for a website without much or any downtime.

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Cannot Debug Stored Procedures Because The SQL Server Database Is Not Setup Correctly Or User Does Not Have Permission To Execute Master.sp_sdidebug.

Aug 7, 2007

Hello All,I tried to set the access permissions for debugging stored procedure by reading the articlehttp://msdn2.microsoft.com/en-us/library/w1bhybwz(VS.80).aspxandhttp://technet.microsoft.com/en-us/library/ms164014.aspxI have tried to add the role to sysaminas follows1)SELECT * FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_NAME = 'sp_sdidebug'(to find the sp)Error:--The stored procedure not found2)sp_addsrvrolemember 'Developmentswati.jain', 'sysadmin' though this is executed successfuly . Error is still persisting 
Cannot debug stored procedures because the SQL Server database is not setup correctly or user does not have permission to execute master.sp_sdidebug.

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New Database Not Included In Back Up Database Task

Aug 10, 2007

I'm having a problem with a Maintenance Plan created for SQL Server 2005 using Microsoft SQL Server Management Studio. See version information at the bottom of this post.

I have a Maintenance Plan using the "Back Up Database Task" that is set to perform a "Full" back up of "All Databases" on the local server. However, it appears that the list of "All databases" are hard-coded to be those databases that were available at the time the task was created. It seems any newly created databases don't appear to be in the list. If I attempt to edit the task and select the "These databases:" option, the newly created databases aren't even in the list.

Is there some way to have the task refresh the list of the databases available for backup? Ideally, I'd like any newly created databases to get backed up automatically without having to modify the task.

Thanks for your help,

Jonathan.


Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 2000.086.3959.00 (srv03_sp2_rtm.070216-1710)
Microsoft MSXML 2.6 3.0 4.0 6.0
Microsoft Internet Explorer 7.0.5730.11
Microsoft .NET Framework 2.0.50727.42
Operating System 5.2.3790

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Mar 27, 2008

Can any body help with sample code to backup (sql server 2005 express)database using VB.net on click of a button?
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Apr 24, 2008

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Nov 8, 2005

Hi everyone,
I am working in a company where data is changed daily (IT department of a shopping center) where item prices change everyday, the quantity available in stock vary daily,...What is the scenarios available for the back up on SQL Server 2000 (I am a developer not a database administrator, but I have a task to do which is to make a back up for the critical data) .
could u help me with some links or idea.I was thinking of doing a full back up one time everyweek and daily I will do a differential backup?is that the best solution?Thanks.

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Having Difficulty Setting Back Up To Back Up File Wihout Datetime Stamp SQL 2K

Apr 24, 2007

Hello,I'm trying to create a simple back up in the SQL Maintenance Plan that willmake a single back up copy of all database every night at 10 pm. I'd likethe previous nights file to be overwritten, so there will be only a singleback up file for each database (tape back up runs every night, so each daysback up will be saved on tape).Every night the maintenance plan makes a back up of all the databases to anew file with a datetime stamp, meaning the previous nights file stillexists. Even when I check "Remove files older than 22 hours" the previousnights file still exists. Is there any way to create a back up file withoutthe date time stamp so it overwrites the previous nights file?Thanks!Rick

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