public string Get(int id)
        {
            ModelProductInfo data = ProductInfoDao.GetById(id);

            data.RSProductSuppliers.Assign(null);
            return(JsonHelpers.stringify(data));
        }
 public void AddNewProduct(ModelProductInfo product)
 {
     db.ProductInfo.InsertOnSubmit(product);
     db.SubmitChanges();
 }
        public ModelProductInfo GetById(int id)
        {
            ModelProductInfo productinfo = db.ProductInfo.First(p => p.Id == id);

            return(productinfo);
        }