private void btn_sat_Click(object sender, EventArgs e)
{
try
{
Bilet.Sat(checkBox1.Checked);
checkBox1.Checked = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btn_iptal_Click(object sender, EventArgs e)
{
Bilet.Iptal();
}
