private void btnSua_Click(object sender, EventArgs e)
{
maMonHoc = cbbMonHoc.SelectedValue.ToString().Trim();
maSinhVien = cbbSinhVien.SelectedValue.ToString().Trim();
kiHoc = int.Parse(cbbKiHoc.SelectedItem.ToString().Trim());
diemLan1 = float.Parse(txtDiemL1.Text.Trim());
diemLan2 = float.Parse(txtDieml2.Text.Trim());
DTO_Diem Diem = new DTO_Diem(maMonHoc, maSinhVien, kiHoc, diemLan1, diemLan2);
try
{
MessageBox.Show("Bạn đã sửa thành công");
busDien.SuaDiem(maSinhVien, maMonHoc, Diem);
dataGridView1.DataSource = busDien.GetDiem();
Xoa();
}
catch (Exception A)
{
MessageBox.Show(A.Message);
}
}