public static string GetProductList() { decimal client_alias = Convert.ToDecimal(HttpContext.Current.Session["UserID"].ToString().Trim().Substring(0, 4)); DataTable dtProdTable = new DataTable(); dtProdTable = VPCRMSBAL.GetProductNames(client_alias); String a = String.Join(",", dtProdTable.AsEnumerable().Select(p => p.Field <String>("ProductName")).ToArray()); //String json = DataTableToJSONWithJavaScriptSerializer(dtProdTable); return(a); }