private void toolStripButton9_Click(object sender, EventArgs e)
{
if (acc_code != null)
{
counters newMDICheild = new counters();
newMDICheild.MdiParent = this.MdiParent;
// Display the new form.
newMDICheild.Show();
}
else
{
MessageBox.Show("Лицевой счет не выбран");
}
}