private void btnAdd_Click(object sender, EventArgs e)
{
var addEditStudent = new AddEditStudent();
addEditStudent.FormClosing += AddEditStudent_FormClosing;
addEditStudent.ShowDialog();
}
private void btnEdit_Click(object sender, EventArgs e)
{
if (dgvBook.SelectedRows.Count == 0)
{
MessageBox.Show("Proszę zaznacz ucznia, którego dane chcesz edytować.");
return;
}
var addEditStudent = new AddEditStudent(
Convert.ToInt32(dgvBook.SelectedRows[0].Cells[0].Value));
addEditStudent.FormClosing += AddEditStudent_FormClosing;
addEditStudent.ShowDialog();
}