public async Task <ActionResult <int> > AddDing(int DMoney, int DCount, string DTu, string DHuan)
        {
            LMS_Ding l = new LMS_Ding();

            l.DMoney = DMoney;
            l.DCount = DCount;
            l.DTu    = DTu;
            l.DHuan  = DHuan;

            db.LMS_Ding.Add(l);
            return(await db.SaveChangesAsync());
        }
 public async Task <ActionResult <int> > AddDing([FromBody] LMS_Ding Ding)
 {
     db.LMS_Ding.Add(Ding);
     return(await db.SaveChangesAsync());
 }