private void DisplayAllSuppliers()
    {
        IDaoFactory  daoFactory  = new NHibernateDaoFactory();
        ISupplierDao supplierDao = daoFactory.GetSupplierDao();

        grdSuppliers.DataSource = supplierDao.GetAll();
        grdSuppliers.DataBind();
    }
 public IList <SupplierDTO> GetAll()
 {
     return(_supplierDao.GetAll());
 }