public bool Delete_KetQuaTD(KetQua kq)
 {
     SqlParameter[] pa = new SqlParameter[2];
     pa[0] = new SqlParameter("@Matrd", kq.Matrd);
     pa[1] = new SqlParameter("@Madb", kq.Madb);
     return SQLProvider.Execute_NonQuery("delete_ketqua_1", pa);
 }
 public bool Update_KetQuaTD(KetQua kq)
 {
     SqlParameter[] pa = new SqlParameter[5];
     pa[0] = new SqlParameter("@Matrd", kq.Matrd);
     pa[1] = new SqlParameter("@Madb", kq.Madb);
     pa[2] = new SqlParameter("@sobt", kq.Sobt);
     pa[3] = new SqlParameter("@sothe", kq.Sothe);
     pa[4] = new SqlParameter("@ketqua", System.Data.SqlDbType.NVarChar, 10);
     pa[4].Value = kq.Ketqua;
     return SQLProvider.Execute_NonQuery("update_ketqua_1", pa);
 }
 public bool Update_KetQua(KetQua kq)
 {      
     return adapter_kqtd.Update_KetQuaTD(kq);
 }
 public bool Delete_KetQua(KetQua kq)
 {
     return adapter_kqtd.Delete_KetQuaTD(kq);
 }
 public bool Insert_KetQua(KetQua kq)
 {
     return adapter_kqtd.Insert_KetQuaTD(kq);
 }