GridView1_RowDeleting and LbDelete.OnClientClick

Hi, I am trying to access first column of the gridview and make some changes to the column. this is not working for me. here is the code, so I am referencing the first column that happend to be a templateField contains Edit, Delete link.. can anyone show me what am I doing wrong....thanks Bob protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { LinkButton LbDelete; foreach (GridViewRow rowItem in GridView1.Rows) { LbDelete = (LinkButton)(rowItem.Cells[0].FindControl("LbDelete")); LbDelete.OnClientClick = "return confirm('are you sure to delete')"; } } <asp:GridView ID="GridView1" runat="server" DataSourceID="ObjectDataSource1" AutoGenerateColumns="False" DataKeyNames="TagId" CellPadding="4" ForeColor="#333333" GridLines="None" onrowdeleting="GridView1_RowDeleting"> <Columns> <asp:Templa ...