private void CardAddButton_Click_1(object sender, EventArgs e)
{
CardForm form = new CardForm();
form.FormClosed += new FormClosedEventHandler(this.OnFormClose);
form.Show();
}
private void cardEditButton_Click(object sender, EventArgs e)
{
int index = cardsDataGridView.SelectedCells.Count > 0 ? cardsDataGridView.SelectedCells[0].RowIndex : -1;
index = index != -1 ? Int32.Parse(cardsDataGridView.Rows[index].Cells[0].Value.ToString()) : 0;
CardForm form = new CardForm(index);
form.FormClosed += new FormClosedEventHandler(this.OnFormClose);
form.Show();
}