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(); } }