[HttpPost]
    public async Task<IActionResult> GetDocument(SearchFiltersModel filters)
    {
        var model = await _service.GetDocument(filters);
        TempData["Detail"] = model;
        return Json("document/detail/" + model.DocumentID)
    }

    [HttpGet]
    public IActionResult Detail(int id)
    {
        // getting error at line below.
        /// ArgumentNullException: Value cannot be null. Parameter name: dictionary

        var model = TempData["Detail"] as DocumentModel;
        return View(model);
    }

  $('btn').click(function(){

    $.ajax({
        type: 'POST',
        data: filters,
        url: 'document/getdocument'
    })
       .done(function (response) {
           window.location = response;
       })
  })