Async and Await

Controller Side Implementation

[OutputCache(Duration = 0)]

 public async Task<JsonResult> BindAll()

 {

var Task1 = _res.Task1().ConfigureAwait(false);

var Task2 = _res.Task2().ConfigureAwait(false);

var Task3 = _res.Task3().ConfigureAwait(false);

var resTask1 = (await Task1).OrderBy(t => t.Id).ToList();

var resTask2 = (await Task2).OrderBy(t => t.Id).ToList();

var resTask3 = (await Task3).OrderBy(t => t.Id).ToList();

return Json(new

{

resTask1,

     resTask2,

     resTask3

}, JsonRequestBehavior.AllowGet);

}

Web.API Implementation

public async Task<List<ClassName>> GetAll(int value)

{

var apiUrl = string.Format("{0}/api/ControllerName/GetAll/{1}", _ServiceName, value);

       using (var client = new HttpClient())

       {

           var response = await client.GetAsync(apiUrl);

              if (!response.IsSuccessStatusCode)

                   return null;

                return await response.Content.ReadAsAsync<List<ClassName>>();

       }

}

[Route("GetAll/{value}")]

public IHttpActionResult GetAll(int value)

{

var results = _service.GetAll(value);

       if (results == null || results.Count == 0)

           return NotFound();

            else

              return Ok(results);

}

public async Task<List<ClassName>> GetAllValues(Model objFilter)

{

var apiUrl = string.Format("{0}/api/ControllerName/GetAllValues/", _ServiceName);

       using (var client = new HttpClient())

       {

           var response = await client.PostAsJsonAsync(apiUrl, objFilter);

              if (!response.IsSuccessStatusCode)

                  return null;

              return await response.Content.ReadAsAsync<List<ClassName>>();

       }

}

[HttpPost]

[Route("GetAllValues")]

public IHttpActionResult GetAllValues(Model objFilter)

{

var results = _service.GetAllValues(objFilter);

       if (results == null || results.Count == 0)

            return NotFound();

       else

            return Ok(results);

}