private void userToolStripMenuItem_Click(object sender, EventArgs e)
{
External.efrommain = 0;
NewUser u = new NewUser();
u.MdiParent = this;
u.Show();
}
private void link_new_user_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
this.Hide();
NewUser n = new NewUser();
n.Show();
}