public string[] GetAllBranchAndRMGroupCustomers(string contextKey, string prefixText) { CustomerBo customerBo = new CustomerBo(); DataTable dtAllRMBranchGroupCustomersName = new DataTable(); List <string> allRMBranchNames = new List <string>(); dtAllRMBranchGroupCustomersName = customerBo.GetRMBranchGroupCustomerNames(contextKey, prefixText); foreach (DataRow dr in dtAllRMBranchGroupCustomersName.Rows) { string item = AjaxControlToolkit.AutoCompleteExtender.CreateAutoCompleteItem(dr["C_FirstName"].ToString(), dr["C_CustomerId"].ToString()); allRMBranchNames.Add(item); } return(allRMBranchNames.ToArray()); }