public ActionResult GetChallanDate()
        {
            string         status = "error";
            FeeDateSetting List   = db.FeeDateSettings.FirstOrDefault();

            if (List != null)
            {
                status = Newtonsoft.Json.JsonConvert.SerializeObject(List);
            }
            return(Content(status));
        }
        public ActionResult AddChallanDate(FeeDateSetting FDS)
        {
            string status = "error";

            if (FDS.ValidityDate != null && FDS.DueDate != null)
            {
                if (db.FeeDateSettings.ToList().Count > 0)
                {
                    FeeDateSetting settings = db.FeeDateSettings.Where(x => x.Id == 1).FirstOrDefault();
                    settings.DueDate      = FDS.DueDate;
                    settings.ValidityDate = FDS.ValidityDate;
                }
                else
                {
                    db.FeeDateSettings.Add(FDS);
                }
                if (db.SaveChanges() > 0)
                {
                    status = "success";
                }
            }

            return(Content(status));
        }