[c#] Calling Web API from MVC controller

Controller:

    public JsonResult GetProductsData()
    {
        using (var client = new HttpClient())
        {
            client.BaseAddress = new Uri("http://localhost:5136/api/");
            //HTTP GET
            var responseTask = client.GetAsync("product");
            responseTask.Wait();

            var result = responseTask.Result;
            if (result.IsSuccessStatusCode)
            {
                var readTask = result.Content.ReadAsAsync<IList<product>>();
                readTask.Wait();

                var alldata = readTask.Result;

                var rsproduct = from x in alldata
                             select new[]
                             {
                             Convert.ToString(x.pid),
                             Convert.ToString(x.pname),
                             Convert.ToString(x.pprice),
                      };

                return Json(new
                {
                    aaData = rsproduct
                },
    JsonRequestBehavior.AllowGet);


            }
            else //web api sent error response 
            {
                //log response status here..

               var pro = Enumerable.Empty<product>();


                return Json(new
                {
                    aaData = pro
                },
    JsonRequestBehavior.AllowGet);


            }
        }
    }

    public JsonResult InupProduct(string id,string pname, string pprice)
    {
        try
        {

            product obj = new product
            {
                pid = Convert.ToInt32(id),
                pname = pname,
                pprice = Convert.ToDecimal(pprice)
            };



            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri("http://localhost:5136/api/product");


                if(id=="0")
                {
                    //insert........
                    //HTTP POST
                    var postTask = client.PostAsJsonAsync<product>("product", obj);
                    postTask.Wait();

                    var result = postTask.Result;

                    if (result.IsSuccessStatusCode)
                    {
                        return Json(1, JsonRequestBehavior.AllowGet);
                    }
                    else
                    {
                        return Json(0, JsonRequestBehavior.AllowGet);
                    }
                }
                else
                {
                    //update........
                    //HTTP POST
                    var postTask = client.PutAsJsonAsync<product>("product", obj);
                    postTask.Wait();
                    var result = postTask.Result;
                    if (result.IsSuccessStatusCode)
                    {
                        return Json(1, JsonRequestBehavior.AllowGet);
                    }
                    else
                    {
                        return Json(0, JsonRequestBehavior.AllowGet);
                    }

                }




            }


            /*context.InUPProduct(Convert.ToInt32(id),pname,Convert.ToDecimal(pprice));

            return Json(1, JsonRequestBehavior.AllowGet);*/
        }
        catch (Exception ex)
        {
            return Json(0, JsonRequestBehavior.AllowGet);
        }

    }

    public JsonResult deleteRecord(int ID)
    {
        try
        {
            using (var client = new HttpClient())
            {
                client.BaseAddress = new Uri("http://localhost:5136/api/product");

                //HTTP DELETE
                var deleteTask = client.DeleteAsync("product/" + ID);
                deleteTask.Wait();

                var result = deleteTask.Result;
                if (result.IsSuccessStatusCode)
                {

                    return Json(1, JsonRequestBehavior.AllowGet);
                }
                else
                {
                    return Json(0, JsonRequestBehavior.AllowGet);
                }
            }



           /* var data = context.products.Where(x => x.pid == ID).FirstOrDefault();
            context.products.Remove(data);
            context.SaveChanges();
            return Json(1, JsonRequestBehavior.AllowGet);*/
        }
        catch (Exception ex)
        {
            return Json(0, JsonRequestBehavior.AllowGet);
        }
    }