RadioButton in a DataGrid

From: news.microsoft.com (Saurabh@gtx.com)
Date: 09/27/02 

From: "news.microsoft.com" <Saurabh@gtx.com>
Date: Thu, 26 Sep 2002 16:57:23 -0700

Hi

I have been trying to put a radiobutton server control inside a datagrid .
but the radio buttons being generated on the webform are not mutually
exclusive.
here is the code:

<asp:datagrid id="datagridVendor" runat="server" Width="460px" Height="25px"
AutoGenerateColumns="False" AllowPaging="True" AllowSorting="True">
     <Columns>
      <asp:TemplateColumn SortExpression="VendorName" HeaderText="Vendor
Name">
             <ItemTemplate>
                   <asp:RadioButton id="rb" Enabled=True Runat=server
GroupName="Grp1" ></asp:RadioButton>
              </ItemTemplate>
      </asp:TemplateColumn>
     </Columns>
 </asp:datagrid>

Now the reason why they are not mutaully exclusive at run time is that
ASP.NET changes the IDs of these radio buttons. Here is what i see when I do
a "View Source" in the browser.

<input id="datagridVendor__ctl2_rb" type="radio"
name="datagridVendor:_ctl2:Grp1" value="rb" />
<input id="datagridVendor__ctl3_rb" type="radio"
name="datagridVendor:_ctl3:Grp1" value="rb" />

Any idea why is this happening ???????

Thanks in advance.

Saurabh

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