public ControllerCrlv(ViewCrlv tela, ModelCRLV c, ViewGerenciarCrlvs g) {
        jifCrlv = tela;
        daoCrlv = new DAOCrlv();
        gcrlv = g;
        
        if(c == null)
            crlv = new ModelCRLV();
        
        else{
            crlv = c;
            jifCrlv.setModelCrlv(crlv);
        }
        
        jifCrlv.getBtSalvar().addActionListener(this);
    }