<asp:ImageButtonID="UpdateOrInsert" runat="server"
CommandName='<%# (Container isGridEditFormInsertItem) ? "Insert" : "Update"%>'
ImageUrl='<%# (Container is GridEditFormInsertItem)?
"~/AdminLogin/Images/InsertBtn.bmp":"~/AdminLogin/Images/UpdateBtn.bmp"%>'
Text='<%# (Container isGridEditFormInsertItem) ? "Insert" : "Update" %>'/>