override protected Boolean LoadData() { try { string productNC = Utils.convertToUnSign2(sProductCN.Value); int ProductCatID = int.Parse(sProductCat.Value); RadGrid1.DataSource = tData.USP_Product_Search(productNC, ProductCatID); RadGrid1.DataBind(); return(true); } catch (Exception ex) { ShowErrorMes("Lỗi hệ thống: " + ex.Message); return(false); } }