asp.net mvc - MvcPaging using Ajax -


i want use mvcpaging in partialview. have search page , need paginate results. far, first page results appears - when trying go page 2 in console 500 error , nothing happens.

here 2 actions controller:

public partialviewresult searchresults(string lat, string lng, double? dist)     {         if (request.isajaxrequest())         {             string address = request["address"];             string latitude = lat;             string longitude = lng;              geocoordinate coord = new geocoordinate(double.parse(latitude, cultureinfo.invariantculture), double.parse(longitude, cultureinfo.invariantculture));              iqueryable<restaurants> near = (from r in _db.restaurants select r);             results = new list<restaurants>();             foreach (restaurants restaurant in near)             {                 double latbd = (double)restaurant.latitude;                 double lngdb = (double)restaurant.longitude;                 if (new geocoordinate(latbd, lngdb).getdistanceto(coord) <= dist * 1000)                 {                     results.add(restaurant);                 }             }             return partialview("_searchresult", results.topagedlist(0, 2));         }         return partialview("search");     }      public actionresult paginationajax(int? page)     {         int currentpageindex = page.hasvalue ? page.value - 1 : 0;         return partialview("_searchresult", results.topagedlist(currentpageindex, 2));     }

and partial view:

@model ipagedlist<restaurants> @using mvcpaging foreach (var item in model)     {         <blockquote>             <h3><a href="details?id=@item.id" target="_blank">@item.name</a></h3>         </blockquote>     }     <div class="pager">         @html.pager(model.pagesize, model.pagenumber, model.totalitemcount, new ajaxoptions { updatetargetid = "searchresults" }).options(o => o.action("paginationajax"))     </div>

does has idea doing wrong? thanks!

edit: error

get http://localhost/takeaseat/restaurants/paginationajax?page=2&x-requested-with=xmlhttprequest&_=1431698681795 500 (internal server error) jquery.ajaxtransport.send @ jquery-2.1.3.js:8625 jquery.extend.ajax @ jquery-2.1.3.js:8161 asyncrequest @ jquery.unobtrusive-ajax.js:128 (anonymous function) @ jquery.unobtrusive-ajax.js:138 jquery.event.dispatch @ jquery-2.1.3.js:4430 jquery.event.add.elemdata.handle @ jquery-2.1.3.js:4116


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