Login code

// the login code:
if (textBox1.Text == new WebClient().DownloadString("yourpastebin") || textBox1.Text == "yoursecretkey")
            {
                MessageBox.Show("Thank you for using (your exploit name)!");
                this.Hide();
                main main = new main();
                main.Show();

            }
            else
            {
                MessageBox.Show("Sorry the key is invalid. Try again.", "Key Invalid");
// end