ASP.NET

<br />
function showConventionalModalDialog()<br />
		{<br />
			var ParmA = retvalA.value;<br />
			var ParmB = retvalB.value;<br />
			var ParmC = retvalC.value;<br />
			var MyArgs = new Array(ParmA, ParmB, ParmC);<br />
			var WinSettings = "center:yes;resizable:no;dialogWidth:750px;dialogHeight:200px;filter:alpha(opacity=25);-moz-opacity:.25;opacity:.25;"<br />
			var MyArgs = window.showModalDialog("conventionalPopup.html?dest=Page1", MyArgs, WinSettings);<br />
<br />
			return;<br />
	}<br />

<br />
style="float:left;filter:alpha(opacity=25);-moz-opacity:.25;opacity:.25;"<br />

<asp:DataGrid ID="aGrid">
  <Columns>
    <asp:TemplateColumn>
      <ItemTemplate>
        <asp:Repeater ID="aRepeater">
          <HeaderTemplate>
            <asp:Label ID="aLabel" Text='<%# DataBinder.Eval(Container.DataItem, "SomeColumn") %>'></asp:Label>
          </HeaderTemplate>
          <ItemTemplate>
            <asp:TextBox ID="aTextBox" AutoPostBack="true" OnTextChanged="SomeEvent"></asp:TextBox>
          </ItemTemplate>
        </asp:Repeater>
      </ItemTemplate>
    </asp:TemplateColumn>
  </Columns>
</asp:DataGrid>

void SomeEvent(object sender, EventArgs e)
{
    //Bind aRepeater to a certain data source in the ItemDataBound event of aGrid

    //Get reference to aRepeater
    //Parent gets you the RepeaterItem
    //Parent.Parent gets you the Repeater
    Repeater r = (sender as TextBox).Parent.Parent;
    
    //Assert that r.DataSource != null
}

<br />
//e is DataGridItemEventArgs object in ItemDataBound event<br />
e.Item.FindControl("aRepeater") as Repeater;<br />