private void BT_agregar_Click(object sender, EventArgs e)
{
AltaRol re = new AltaRol();
re.FormClosed += new FormClosedEventHandler(ListadoRol_Load);
re.ShowDialog();
}
private void linkAlta_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
Form frm = new AltaRol();
frm.Show(this);
}