public void Xoa(LoaiCongTrinh_InFo loaicongtrinh)
        {
            SqlCommand s = new SqlCommand("Delete LoaiCongTrinh where MaLoaiCongTrinh = @ma");

            s.Parameters.Add("@ma", SqlDbType.Int).Value = loaicongtrinh.MaLoaiCongTrinh;
            DT_SV.Load(s);
        }
        public void Sua(LoaiCongTrinh_InFo loaicongtrinh)
        {
            SqlCommand s = new SqlCommand("Update LoaiCongTrinh set TenLoaiCongTrinh = @ten where MaLoaiCongTrinh = @ma");

            s.Parameters.Add("@ten", SqlDbType.NVarChar, 50).Value = loaicongtrinh.TenLoaiCongTrinh;
            s.Parameters.Add("@ma", SqlDbType.Int).Value           = loaicongtrinh.MaLoaiCongTrinh;
            DT_SV.Load(s);
        }
        //
        public void Them(LoaiCongTrinh_InFo loaicongtrinh)
        {
            SqlCommand s = new SqlCommand("INSERT INTO LoaiCongTrinh(MaLoaiCongTrinh, TenLoaiCongTrinh) VALUES(@ma, @ten)");

            s.Parameters.Add("@ma", SqlDbType.Int).Value            = loaicongtrinh.MaLoaiCongTrinh;
            s.Parameters.Add("@ten", SqlDbType.NVarChar, 200).Value = loaicongtrinh.TenLoaiCongTrinh;
            DT_SV.Load(s);
        }
 public void Sua(LoaiCongTrinh_InFo loaicongtrinh)
 {
     DATA.Sua(loaicongtrinh);
 }
 public void Xoa(LoaiCongTrinh_InFo loaicongtrinh)
 {
     DATA.Xoa(loaicongtrinh);
 }
 public void Them(LoaiCongTrinh_InFo loaicongtrinh)
 {
     DATA.Them(loaicongtrinh);
 }