public JsonResult GetRoleRecord(string prefix) { DataSet role = new DataSet(); role = user.GetRole(prefix); List <Users> search = new List <Users>(); foreach (DataRow dr in role.Tables[0].Rows) { search.Add(new Users { RoleID = Convert.ToInt32(dr["RoleID"]), RoleName = dr["RoleName"].ToString(), }); } return(new JsonResult { Data = search, JsonRequestBehavior = JsonRequestBehavior.AllowGet }); }