/**
  * Update the specified resource in storage.
  *
  * @param  Request  $request
  * @param  int  $id
  * @return Response
  */
 public function update(SellingUpdateRequest $request, $id)
 {
     $sales = Sales::findOrFail($request->id);
     $sales->fill($request->postFillData());
     $sales->save();
     return redirect()->route('admin.sellings.index')->withSuccess('Transaction updated.');
 }