private void button4_Click(object sender, EventArgs e)
{
//Application.Restart();
this.Close();
Form_admin admin = new Form_admin();
admin.Show();
}
private void button2_Click(object sender, EventArgs e)
{
Login login = new Login();
DialogResult Result = login.ShowDialog();
if (Result == DialogResult.OK)
{
Form_admin admin = new Form_admin();
admin.Show();
}
}