public bool UpdGiam(KhuyenMaiObj kmObj)
 {
     cmd.CommandText = "Update SUKIEN set giam ='" + kmObj.Giam + "' Where mask = '" + kmObj.MaKhuyenmai + "'";
     cmd.CommandType = CommandType.Text;
     cmd.Connection  = con.Connection;
     try
     {
         con.OpenConn();
         cmd.ExecuteNonQuery();
         return(true);
     }
     catch (Exception ex)
     {
         string mex = ex.Message;
         cmd.Dispose();
         con.CloseConn();
     }
     return(false);
 }
        public bool AddDataKm(KhuyenMaiObj kmObj)
        {
            cmd.CommandText = "Insert into SUKIEN values ('" + kmObj.MaKhuyenmai + "',N'" + kmObj.TenKhuyenMai + "',N'" + kmObj.NoiDung + "','" + kmObj.Giam + "')";
            cmd.CommandType = CommandType.Text;
            cmd.Connection  = con.Connection;

            try
            {
                con.OpenConn();
                cmd.ExecuteNonQuery();
                con.CloseConn();
                return(true);
            }
            catch (Exception ex)
            {
                string mex = ex.Message;
                cmd.Dispose();
                con.CloseConn();
            }


            return(false);
        }
 public bool UpdDataGiam(KhuyenMaiObj kmObj)
 {
     return(kmMod.UpdGiam(kmObj));
 }
 public bool updDateKm(KhuyenMaiObj kmObj)
 {
     return(kmMod.UpdDataKm(kmObj));
 }
 public bool addDataKm(KhuyenMaiObj kmObj)
 {
     return(kmMod.AddDataKm(kmObj));
 }