private void crearButton_Click(object sender, EventArgs e)
 {
     Rol newRol = new Rol();
     CrearOModificarRol view = new CrearOModificarRol(newRol, daoRol, true);
     view.ShowDialog();
     fillDataGridView();
 }
 private void modificarButton_Click(object sender, EventArgs e)
 {
     selectedRol = (Rol)dataGridViewRol.CurrentRow.DataBoundItem;
     CrearOModificarRol view = new CrearOModificarRol(selectedRol, daoRol, false);
     view.ShowDialog();
     fillDataGridView();
 }