public function edit(Request $request, $id)
 {
     if ($request->method() == 'POST') {
         $id = $request->input('id');
         $m = Measurementunit::find($id);
         $m->name = $request->input('name');
         $m->mgid = $request->input('mgid');
         $m->save();
         return Redirect('measurementunit');
     }
     $data['measurementunit'] = Measurementunit::find($id);
     $mg = Measurementgroup::get();
     return view('editmeasurementunit', $data)->with('mg', $mg);
 }
 public function delete(Request $request, $id)
 {
     $m = Measurementgroup::find($id);
     $m->delete();
     return Redirect('measurementgroup');
 }