Below is a cut-and-paste code example that runs. It demonstrates some
results which confuse me.
It uses a DataGrid to make a table with 12 rows, each containing a
TextBox and a CustomValidator . When a textbox is populated, the
validator should write out the index of the row that triggered it. And
it does--twice.
e.g. If you type something into the first row, you see "0 0." If you
type something into the first and third rows, you see "0 2 0 2." I
would only expect to see one set of results. (I only /want/ one set of
results.) Can anyone explain why I'm seeing /two/?
<%@ page language="vb" runat="server" Debug="true"%>
<script runat="server">
Sub Page_Load(sende r as Object, e as EventArgs)
If ( IsPostBack ) Then
Validate()
Else
Dim numArray(12) As Integer
OurDataGrid.Dat aSource = numArray
OurDataGrid.Dat aBind()
End If
End Sub
Sub WriteIndex(sour ce as Object, value as ServerValidateE ventArgs)
Response.Write( source.Parent.P arent.ItemIndex & "<br>")
End Sub
</script>
<html><body>
<form runat="server">
<asp:Label id="OurLabel" runat="server" /><br />
<asp:DataGrid id="OurDataGrid "
AutoGenerateCol umns="false"
runat="server">
<Columns>
<asp:TemplateCo lumn>
<HeaderTemplate ></HeaderTemplate>
<ItemTemplate >
<asp:TextBox id="firstName" runat="server" />
<asp:CustomVali dator id="OurCustomVa lidator"
ControlToValida te="firstName"
OnServerValidat e="WriteIndex "
runat="server"> </asp:CustomValid ator>
</ItemTemplate>
<FooterTemplate ></FooterTemplate>
</asp:TemplateCol umn>
</Columns>
</asp:DataGrid>
<p>
<asp:Button text="Submit" runat="server" />
</p>
</form>
</body></html>
