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