Problems Updating Database

Mar 26, 2007

I have a web project created with VS2005 that is connected to a database on an SQL Server.  I've created a data diagram on the SQL Server and created a matching dataset in my project.  The data diagram has the 'enforce relationship...' and cascade textboxes checked for the table relationships.  My dataset has 'both relation and foreign key constraint' checked with the rules all set to cascade.  The code creates a table adapter then does the tableadapter.Update.  The data gets added to my main table, but not to any of the child tables.  Any ideas on what could be causing this?

Thanks,
Rhonda 

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T

CODE:

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End If

End Try

myCommand.Connection.Close()

MVMain.ActiveViewIndex = -1

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Hi all,
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<%@ Import Namespace="System.Data.OleDb" %>

<SCRIPT language="VB" runat="server">

Dim DBConnection As OleDbConnection
Dim DBCommand As OleDbCommand
Dim DBReader As OleDbDataReader
Dim SQLString As String

Sub Page_Load

If Not Page.IsPostBack Then

'-- Load drop-down list with item numbers
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End If

End Sub

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End Sub


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'-- CHECK FOR VALID RECORD ---
Dim ValidRecord As Boolean = True

'-- Check for missing Project Title
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ValidRecord = False
End If

'-- Check for missing Lecturer Name
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ValidRecord = False
End If

'-- Check for missing Project Description
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ValidRecord = False
End If




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'-- UPDATE A RECORD --
Try
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DBCommand.ExecuteNonQuery
DBConnection.Close()
UpdateMessage.Text = "Record updated"
Catch
UpdateMessage.Text = "Update problem. Record not changed. " & SQLString
End Try

End If

End Sub


</SCRIPT>

<html>
<head>


<style>
.head {font-family:arial; font-size:12pt; font-weight:bold; width:560px;
border:outset 1 #F0F0F0; padding:2pt; background-color:#990000;
color:#FFFFFF; text-align:center}
.box {font-family:arial; font-size:8pt; line-height:9pt; width:200px;
height:20px; overflow:auto}
.right {text-align:right}
.center {text-align:center}
table {font-family:arial; font-size:8pt; line-height:9pt; width:560px;
background-color:#F9F9F9; border-collapse:collapse}
th {font-family:arial; font-size:8pt; line-height:14pt;
font-weight:bold; text-align:center; vertical-align:bottom;
background-color:#990000; color:#FFFFFF}
td {font-family:arial; font-size:8pt; line-height:9pt;
vertical-align:top}
</style>
</head>

<body>
<form runat="server">

<div class="head">Project Update</div>

<table id="UpdateTable" border="1" rules="rows">
<tr>
<th> Project Code: </th>
<td><asp:DropDownList id="ProjectCode" runat="server"/>
<asp:Button Text="Select" OnClick="SelectRecord" runat="server"/>
</td>
<td></td>
</tr>
<tr>
<th> Lecturer Name: </th>
<td><asp:TextBox id="LecturerName" runat="server"
Columns="40"
MaxLength="50"/></td>
<td><asp:Label id="LecturerNameMessage" runat="server"
ForeColor="#FF0000"
EnableViewState="False"/></td>
</tr>

<tr>
<th> Project Title: </th>
<td><asp:TextBox id="ProjectTitle" runat="server"
Columns="40"
MaxLength="50"/></td>
<td><asp:Label id="ProjectTitleMessage" runat="server"
ForeColor="#FF0000"
EnableViewState="False"/></td>
</tr>

<tr>
<th> Project Description: </th>
<td><asp:TextBox id="ProjectDescription" runat="server"
TextMode="MultiLine"
Columns="45"
rows="3"/></td>
<td><asp:Label id="ProjectDescriptionMessage" runat="server"
ForeColor="#FF0000"
EnableViewState="False"/></td>
</tr>

</asp:Panel>

</table>
<br>
<asp:Button id="UpdateButton" runat="server"
Text="Update Record"
Visible="False"
OnClick="UpdateRecord"/>
<asp:Label id="UpdateMessage" runat="server"
ForeColor="#FF0000"
EnableViewState="False"/>
</form>
</body>
</html>

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public void insrtnewtime()

{

int begintime = 00;

int endtime = 23;

int countr;

int _minz;

do

{

begintime = begintime + 1;

string string_begintime_representation = begintime.ToString("00");



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_minz += 5;

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countr = begintime;

} while (countr < endtime);

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try

{

tbl_strt_tmesTableAdapter.Update(lesson_plannerDataSet.tbl_strt_tmes);//this should save the values

}

catch (Exception e)

{

MessageBox.Show(e.Message);

}









}





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[Code] ....

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