Accessing Request and Response properties within a View

GetListings_Search

  <form class="form-inline mini"  action="~/@(new GetListings().ToGetUrl())" method="GET" style="margin-bottom: 0px;">
   <fieldset>
   <input type="hidden" name="CategoryId" value="@Model.CategoryId">
    <div class="row filter-row">
        <div class="col-sm-12">
            <label>Price range</label>
        </div>
     <div class="col-sm-12">
     <div class="input-group">
           <span class="input-group-addon">N$</span>
            <input type="number" class="form-control price-input" id="PriceFrom" name="PriceFrom" placeholder="min" value="@Model.PriceFrom" />
            </div>
     </div>
     <div class="col-sm-12">
         <div class="input-group">
             <span class="input-group-addon">N$</span>
               <input type="number" class="form-control price-input"  id="PriceTo" name="PriceTo"  placeholder="max" value="@Model.PriceTo"  />
              </div>
             </div>
          </div>

        <div class="row filter-row">
<div class="col-sm-2 pull-right" style="margin-top: 10px;">
         <button class="btn btn-primary pull-right" type="submit">Update results</button>
</div>
                                       </div>
 </fieldset>
 </form>