private void btnTim_Click(object sender, EventArgs e)
{
DanhSachHocSinhBUL cls = new DanhSachHocSinhBUL();
HoSoHocSinh x = new HoSoHocSinh();
x.MaLop = cboTenLop.SelectedValue.ToString();
dgvDSHS.DataSource = cls.HienThi(x);
dgvDSHS.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
private void DanhSachHocSinh_Load(object sender, EventArgs e)
{
DanhSachHocSinhBUL cls = new DanhSachHocSinhBUL();
cboTenLop.DataSource = cls.LayMaLop();
cboTenLop.DisplayMember = "TenLop";
cboTenLop.ValueMember = "MaLop";
dgvDSHS.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
