private void button3_Click(object sender, EventArgs e)
{
Reservacion rese = new Reservacion();
rese.obtieneUsuario(textBox1);
rese.ShowDialog();
Principal_Load(sender, e);
}
private void button2_Click(object sender, EventArgs e)
{
this.Hide();
Reservacion reservar = new Reservacion();
//metodo envia datos
reservar.obtieneUsuario(textBox1);
reservar.reciveDatos(textBox2, textBox6, textBox3, comboBox2, textBox5, comboBox3);
reservar.ShowDialog();
}