//セルクリック
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == 0 && e.RowIndex >= 0) //ボタン行
{
int id = int.Parse(dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString().Substring(1));
ReceiptForm form = new ReceiptForm(id);
form.Show();
}
}
private void button_receipt_Click(object sender, EventArgs e)
{
ReceiptForm form = new ReceiptForm();
form.Show();
}