protected void Button1_Click(object sender, EventArgs e) { string login = txt_login.Text; string pass = Scripts.Cryptography.GetMd5Hash(txt_pass.Text); ServiceUser.UserClient user = new ServiceUser.UserClient(); bool f = user.loginUser(login,pass); lbl_valido.Text = (f)?"login e password válidos":"login e password inválidos"; lbl_valido.ForeColor = (f)?Color.Green:Color.Red; }