private void btn_register_Click(object sender, EventArgs e)
{
if (Session.GetValue("MainForm") == null)
{
Session.SetValue("MainForm", this);
}
Hide();
RegisterForm form = new RegisterForm();
form.Show();
}
private void lbl_register_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
RegisterForm reg = new RegisterForm();
reg.ShowDialog();
}