//api : ../staffs/GetLocationStaff?staffId=1?dateTime=2018-04-08 public JsonResult GetLocationStaff(string dateTime, int staffId) { try { StaffData st = new StaffData(); List <MarkersData> item = new List <MarkersData>(); item = st.GetStaffLocation(dateTime, staffId); return(Json(new { data = item, success = true }, JsonRequestBehavior.AllowGet)); } catch (Exception ex) { return(Json(new { data = ex.Message, success = false }, JsonRequestBehavior.AllowGet)); } }