private void btnLogout_Click(object sender, EventArgs e)
{
foreach (Form c in this.MdiChildren)
{
c.Close();
}
Login_Forms.loginForm loginform = new Login_Forms.loginForm();
loginform.ShowDialog();
}
private void mainForm_Shown(object sender, EventArgs e)
{
Login_Forms.loginForm loginform = new Login_Forms.loginForm();
loginform.ShowDialog();
}