public string[] GetAssociateCustomerName(string prefixText, int count, string contextKey) { CustomerBo customerBo = new CustomerBo(); DataTable dtCustomerName = new DataTable(); int i = 0; List <string> names = new List <string>(); dtCustomerName = customerBo.GetAssociateCustomerName(prefixText, int.Parse(contextKey)); //string[] customerNameList = new string[dtCustomerName.Rows.Count]; foreach (DataRow dr in dtCustomerName.Rows) { string item = AjaxControlToolkit.AutoCompleteExtender.CreateAutoCompleteItem(dr["C_FirstName"].ToString(), dr["C_CustomerId"].ToString()); names.Add(item); } return(names.ToArray()); }