private void btnIniciarSesion_Click(object sender, EventArgs e) { if (Encriptador.CompararMD5(txtPassword.Text, cmbUsuario.SelectedValue.ToString())) { AppUser u = (AppUser)cmbUsuario.SelectedItem; MessageBox.Show("¡Bienvenido!", "HugoApp - Food delivery", MessageBoxButtons.OK, MessageBoxIcon.Information); frmPrincipal ventana = new frmPrincipal(u); ventana.Owner = this; this.Hide(); ventana.ShowDialog(); this.Close(); } else { MessageBox.Show("¡Contraseña incorrecta!", "Error dialog", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } }