private void poblarControles()
{
//Actualizar Comboboxes
cmbDepa.DataSource = null;
cmbDepa.ValueMember = "idDepartamento";
cmbDepa.DisplayMember = "nombre";
cmbDepa.DataSource = DepartamentoDAO.getLista();
cmbCarnet.DataSource = null;
cmbCarnet.ValueMember = "idUsuario";
cmbCarnet.DisplayMember = "idUsuario";
cmbCarnet.DataSource = UsuarioDAO.getLista();
}