private void btnBack_Click(object sender, EventArgs e)
{
try
{
frmInvoice frmID = new frmInvoice();
frmID.ShowDialog();
this.Hide();
}
catch
{
}
}
private void M_INVOICE_Click(object sender, EventArgs e)
{
try
{
Form[] activeChild = this.MdiChildren;
if (activeChild.Length == 0)
{
frmInvoice frmID = new frmInvoice();
frmID.ShowDialog();
}
}
catch (Exception ex)
{
throw ex;
}
}