public void suadulieu(Entity_RenLuyen et)
{
cn.ThucthiSQL(@"UPDATE tblRenLuyen SET RenLuyen =N'" + et.RenLuyen + "' where MaSV=N'" + et.MaSV + "' and MaNamHoc =N'" + et.MaNamHoc + "'");
}
public void xoadulieu(Entity_RenLuyen et)
{
cn.ThucthiSQL(@"delete from tblRenLuyen where MaSV=N'" + et.MaSV + "' and MaNamHoc=N'" + et.MaNamHoc + "'");
}
public void themdulieu(Entity_RenLuyen et)
{
cn.ThucthiSQL(@"INSERT INTO tblRenLuyen (MaSV, MaNamHoc, RenLuyen) VALUES (N'" + et.MaSV + "',N'" + et.MaNamHoc + "',N'" + et.RenLuyen + "')");
}