public bool DeleteType(string s)
        {
            FeeTable fee = e.FeeTables.FirstOrDefault(f => f.FeeName == s);

            e.FeeTables.Remove(fee);
            e.SaveChanges();
            return(true);
        }
        public bool changeCharge(string type, int amount)
        {
            var      v = from FeeTable in e.FeeTables select FeeTable;
            FeeTable f = e.FeeTables.FirstOrDefault(fee => fee.FeeName == type);

            f.Charge = amount;
            e.SaveChanges();
            return(true);
        }
        public bool Addtype(string type, int amount)
        {
            FeeTable fee = new FeeTable();

            fee.FeeName = type;
            fee.Charge  = amount;

            e.FeeTables.Add(fee);
            e.SaveChanges();
            return(true);
        }