public static string[] GetCompletionList(string prefixText, int count, string contextKey) { Inv_OptionCategoryMaster ObjOptCat = new Inv_OptionCategoryMaster(); DataTable dt = new DataView(ObjOptCat.GetOptionCategoryTrueAll(HttpContext.Current.Session["CompId"].ToString()), "EName='" + prefixText.ToString() + "'", "", DataViewRowState.CurrentRows).ToTable(); string[] text = new string[dt.Rows.Count]; for (int i = 0; i < dt.Rows.Count; i++) { text[i] = dt.Rows[i]["EName"].ToString(); } return(text); }