javascript - Additional parameter for index page sort collection -

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i have page renders question objects set of <div>'s. (i use pagination don't think it's of significance particular problem).

i give user opportunity choose order in items displayed (aka order of underlying question list.

i figured using <select> list simple way, doesn't seem working. i'm struggling calling action controller javascript. have far:

my html:

<select id="sort-select" style="margin-bottom: 10px">     @foreach (sortingtype value in enum.getvalues(typeof (sortingtype)).cast<sortingtype>())     {         <option value="@((byte)value)">@(value.tostring())</option>     } </select>

(sortingtype enum conatining 3 constants.)

my javascript:

function addsort() {     var select = document.getelementbyid('sort-select');      select.onchange = function(event) {         var selected = select.options[select.selectedindex].value;          var url = encodeuri("@url.action("index", new {topicid = viewbag.topicid, sort = 0})");         url.replace('&amp;', '&');         url.replace(0, selected);          window.location.href = url;     } }

this of course gets called in document.ready.

the problem that, when js runs, forms ampersands (&) escaped equivalent (&). of course not working because parameters actions of controller separated pure ampersands.

i link when try change selection:

http://localhost:41084/question?topicid=-1&amp;sort=0

anyone idea on how can solve this? i'm not sure how can call actions javascript in proper manner, , don't know if javascript way go here.

found solution had url = url.replace(...) instead of url.replace(...)!

my javascript looks this:

function addsort() {     var select = document.getelementbyid('sort-select');      select.onchange = function(event) {         var selected = select.options[select.selectedindex].value;          var url = encodeuri("@url.action("index", "question", new {topicid = viewbag.topicid, sort = 0})");         url = url.replace('&amp;', '&');         url = url.replace(0, selected);          window.location.href = url;     }   }

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