Project ไม่หยุด Debug แม้ว่าเมื่อปิดหน้าต่างทั้งหมดแล้วก็ตาม

 private void button1_Click(object sender, EventArgs e)
        {
            string sql = "SELECT * FROM member WHERE UserName ='" + textBox1.Text + "'AND Password='" + textBox2.Text + "' And Status='Admin'";
            MySqlConnection con = new MySqlConnection("host=localhost;user=root;password=12345678;database=postsystem");
            MySqlCommand cmd = new MySqlCommand(sql, con);
            con.Open();
            MySqlDataReader reader = cmd.ExecuteReader();

            if (reader.Read())
            {
                this.Hide();
                Form2 mm = new Form2(this.textBox1.Text);
                mm.Show();
            }
            else
            {
                MessageBox.Show("Can not login");
            }
            con.Close();