protected void VerifyButton_Click(object sender, EventArgs e)
 {
     LoginModule myLogin = new LoginModule();
     if (myLogin.checkAvailability(TextBox2.Text, EmailTextBox.Text) >= 1) {
         ShowAvailabilityLabel.Text = "Username is available";
     }
     else { ShowAvailabilityLabel.Text = "Username or/and email already exists!"; }
 }