void gvManufacturar_RowCommand(object sender, GridViewCommandEventArgs e) { switch (e.CommandName) { case "EditManufacturar": int ManufacturarID = 0; int.TryParse(e.CommandArgument.ToString(), out ManufacturarID); if (ManufacturarID > 0) { ViewState[CMSViewStateManager.ManufacturarID] = ManufacturarID; BeginEditMode(); upnlManufacturarItem.Update(); } break; } }