private void Agregar_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(mtbName.Text) | string.IsNullOrEmpty(mtbPass.Text)) { MessageBox.Show("Debe de ingresar Nombre y Password."); return; } else { string pass = encript.ComputeHash(mtbPass.Text, "SHA512", null); DM.InsertUser(mtbName.Text, pass); //label8.Visible = true; //label8.Text = "Usuario Agregado"; mtbName.Text = ""; mtbPass.Text = ""; } }