private void FileToDatabaseToolStripMenuItem_Click(object sender, EventArgs e)
{
if (filetodb == null)
{
filetodb = new FileToDB();
filetodb.MdiParent = this;
filetodb.FormClosed += Filetodb_FormClosed;
filetodb.Show();
}
else
{
filetodb.Activate();
}
}
private void Filetodb_FormClosed(object sender, FormClosedEventArgs e)
{
filetodb = null;
}