private void transactionToolStripMenuItem_Click(object sender, EventArgs e)
{
var checkNullDatabase = (from ht in db.HeaderTransaction
select ht).FirstOrDefault();
if (checkNullDatabase != null)
{
if (formViewTransaction == null)
{
formViewTransaction = new FormViewTransaction();
formViewTransaction.MdiParent = this;
formViewTransaction.FormClosed += FormViewTransaction_FormClosed;
formViewTransaction.Show();
}
else
{
formViewTransaction.Activate();
}
}
else
{
MessageBox.Show("No Transaction !", "Warning Message!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
private void FormViewTransaction_FormClosed(object sender, FormClosedEventArgs e)
{
formViewTransaction = null;
//throw new NotImplementedException();
}
