I have a datagrid with textboxes on it that are bound. Displaying the data pulled from the db works. But when a user updates a textbox I am unable to extract that data. I have tried a few options I have found involving using CType. Below is part of the code )(let me know if you need more as I a newbie at .net development). Thanks for your help.
<form name="form1">
<div align="center"><strong>Run Date</strong>
<input type="text" value="<%# IIf((Request.QueryString("dt") <> Nothing), Request.QueryString("dt"), FORMATDATETIME(NOW(),2)) %>" name="DT" size="10" onChange="ValidateForm();">
<input type="submit" value="Refresh" name="ref">
</div>
</form>
<form runat="server">
<div align="left">
<asp:Button ID="butt" runat="server" Text="Add Runs" OnClick="InsertRun" />
</div>
<asp:DataGrid AllowPaging="false"
AllowSorting="false"
AutoGenerateColumns="false"
CellPadding="3"
CellSpacing="0"
DataSource="<%# DataSet1.DefaultView %>" id="DataGrid1"
runat="server"
ShowFooter="false"
ShowHeader="true" OnItemCreated="colorrow"
>
<HeaderStyle HorizontalAlign="center" BackColor="#E8EBFD" ForeColor="#3D3DB6" Font-Name="Verdana, Arial, Helvetica, sans-serif" Font-Bold="true" Font-Size="smaller" />
<ItemStyle BackColor="#F2F2F2" Font-Name="Verdana, Arial, Helvetica, sans-serif" Font-Size="smaller" HorizontalAlign="Center" />
<AlternatingItemStyle BackColor="#E5E5E5" Font-Name="Verdana, Arial, Helvetica, sans-serif" Font-Size="smaller" HorizontalAlign="Center" />
<FooterStyle HorizontalAlign="center" BackColor="#E8EBFD" ForeColor="#3D3DB6" Font-Name="Verdana, Arial, Helvetica, sans-serif" Font-Bold="true" Font-Size="smaller" />
<PagerStyle BackColor="white" Font-Name="Verdana, Arial, Helvetica, sans-serif" Font-Size="smaller" />
<Columns>
<asp:BoundColumn DataField="TRUNC(GBH.DUE_DATE)"
HeaderText="Batch Date"
ReadOnly="true"
Visible="True"/>
<asp:TemplateColumn HeaderText="Run Num"
Visible="True" ItemStyle-Wrap="false">
<ItemTemplate>
<asp:TextBox ID="runNumTxt" runat="server" Text=<%# DataSet1.FieldValue("RUNNUM", Container) %> Width="25"/>
<asp:CompareValidator ControlToValidate="runNumTxt" Display="Dynamic" ErrorMessage="* Numbers Only" ID="runNumTxt_val" Operator="DataTypeCheck" runat="server" Type="Integer" />
<asp:RequiredFieldValidator ControlToValidate="runNumTxt" Display="Dynamic" ErrorMessage="* Required" ID="runNumTxt_val_req" runat="server" />
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Run Notes"
Visible="True" ItemStyle-Wrap="false">
<ItemTemplate>
<asp:TextBox ID="runNotesTxt" runat="server" Text=<%# DataSet1.FieldValue("RUNNOTES", Container) %> Width="75"/>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="RUNNUM"
HeaderText="Run Num"
ReadOnly="FALSE"
Visible="FALSE"/>
<asp:BoundColumn DataField="RUNNOTES"
HeaderText="Run Notes"
ReadOnly="FALSE"
Visible="false"/>
<asp:TemplateColumn HeaderText="Run Status"
Visible="True">
<ItemTemplate><a href="javascript:var w=openCenteredWindow('showStatus.aspx?batch=<%# trim(DataSet1.FieldValue("BATCH_NO", Container)) %>&plant=<%# trim(DataSet1.FieldValue("PLANT_CODE", Container)) %>&date=<%# trim(DataSet1.FieldValue("TRUNC(GBH.DUE_DATE)", Container)) %>',450,900,'','scrollbars = 1')"><asp:Label ID="run_status_label" runat="server" Text='<%# trim(DataSet1.FieldValue("STATUS", Container)) %>'></asp:Label></a></ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
</form>
</body>Here is where I try to extract the data (there are a couple options (runNotes and runNum):
Dim aa As TextBox = CType(Me.DataGrid1.Items(i).FindControl("runNotesTxt"), TextBox)
runNotes = aa.Text
Dim bb As TextBox = CType(Me.DataGrid1.Items(i).FindControl("runNumTxt"), TextBox)
runNum = bb.Text
runNum = CType(Me.DataGrid1.Items(i).Cells(3).FindControl("runNumTxt"), TextBox).Text