private void dgvDanhSachSinhVien_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
string maSV = dgvDanhSachSinhVien
.Rows[e.RowIndex].Cells[0]
.Value.ToString();
SinhVien svSua =
SinhVien.SinhVienById(maSV);
// luu thông tin sinh vien can sua
SinhVien.SetSinhVienSua(svSua);
Form fSuaSV = new formSuaSinhVien();
var isOk = fSuaSV.ShowDialog();
if (isOk == DialogResult.OK)
{
ResetDanhSachSinhVien();
}
}