protected void lbtn_Delete_Command(object sender, CommandEventArgs e) { if (!DataEval.IsEmptyQuery(e.CommandArgument.ToString())) { ProductMgr myProductMgr = new ProductMgr(); if (myProductMgr.Chk_Product_Variant_usage(e.CommandArgument.ToString())) { Nexus.Core.Tools.AlertMessage.Show_Alert(this.Page, "<h4>Selected product variant already have products <br /> Please delete them before apply this action.</h4>", "Action failed!"); } else { ProductVariantMgr myProductVariantMgr = new ProductVariantMgr(); myProductVariantMgr.Remove_Product_Variant(e.CommandArgument.ToString()); Control_Init(); } } }