public ActionResult EditPatient(int id) { HMS_DBEntity db = new HMS_DBEntity(); List <tblPatientBillDetail> list = db.tblPatientBillDetails.ToList(); PatientBillViewModel model = new PatientBillViewModel(); if (id > 0) { tblPatientBillDetail detail = db.tblPatientBillDetails.SingleOrDefault(x => x.ID == id && x.is_active == true); model.ID = detail.ID; model.PatientBillID = detail.PatientBillID; model.Amount = detail.Amount; model.Description = detail.Description; } return(View(model)); }