/// <summary>
 /// ���һ����Ʒ���ݹ�Ӧ��ID��ʹ��Post(json)
 /// </summary>
 /// <param name="providerid"></param>
 /// <param name="PdName"></param>
 /// <param name="ProductDescribe"></param>
 /// <returns></returns>
 public ResponseMsg AddProduct(Guid providerid, string PdName, string ProductDescribe,float price,int num)
 {
     ProductInfo productInfo = new ProductInfo
     {
         PdNum = num,
         PdPrice = price,
         PdName = PdName,
         ProductDescribe = ProductDescribe
     };
     Cf_HttpWeb _httpweb = new Cf_HttpWeb
     {
         ContentType = "text/html",
         UserDate = JsonConvert.SerializeObject(productInfo)
     };
     _httpweb.EncodingSet = "utf-8";
     string url = string.Format("http://localhost:32839/api/restful/ProductInfo/AddProduct/{0}", providerid.ToString());
     string str = _httpweb.PostOrGet(url, HttpMethod.POST).HtmlValue;
     return JsonConvert.DeserializeObject<ResponseMsg>(str);
 }
 /// <summary>
 /// ����json�����޸�
 /// </summary>
 /// <returns></returns>
 public ResponseMsg UpdataProduct(Guid pdid, string pdName, double pdPrice, string productDescribe, int pdNum)
 {
     ProductInfo productInfo = new ProductInfo
     {
         PdId = pdid,
         PdName = pdName,
         PdPrice = pdPrice,
         ProductDescribe = productDescribe,
         PdNum = pdNum
     };
     Cf_HttpWeb _httpweb = new Cf_HttpWeb
     {
         ContentType = "text/html",
         UserDate = JsonConvert.SerializeObject(productInfo)
     };
     _httpweb.EncodingSet = "utf-8";
     string url = "http://localhost:32839/api/restful/ProductInfo/UpdataProduct";
     string str = _httpweb.PostOrGet(url, HttpMethod.POST).HtmlValue;
     return JsonConvert.DeserializeObject<ResponseMsg>(str);
 }