How to add font awesome icon in Custom HTML Helper in ASP.Net MVC 5 application -


i want use font awesome icons in custom html helper not able so.

below attempt:

html helper

   public static mvchtmlstring menulink(this htmlhelper htmlhelper, string linktext, string actionname, string controllername, object routevalues, object htmlattributes)     {         var currentaction = htmlhelper.viewcontext.routedata.getrequiredstring("action");         var currentcontroller = htmlhelper.viewcontext.routedata.getrequiredstring("controller");         var currentarea = htmlhelper.viewcontext.routedata.datatokens["area"];          var builder = new tagbuilder("li")         {             innerhtml = htmlhelper.actionlink(linktext, actionname, controllername, routevalues, htmlattributes).tohtmlstring()         };         if (string.equals(controllername, currentcontroller, stringcomparison.currentcultureignorecase) && string.equals(actionname, currentaction, stringcomparison.currentcultureignorecase))             builder.addcssclass("active");         //builder.addcssclass("btn");          return new mvchtmlstring(builder.tostring());     } }

custom action link

     @html.menulink("resume center", "index", "resume", null, new { @class = "btn btn-block"})

i modified above link not work expected. non working example below.

 @html.menulink("<i class='fa fa - file'></i> resume center", "index", "resume", null, new { @class = "btn btn-block"})

original html gets rendered custom helper:

<li class="active">     <a class="btn btn-block" href="/resume">resume center</a> </li>

i want like

<li class="active">     <a class="btn btn-block" href="/resume">         <i class="fa fa-file"></i>resume center     </a> </li>

please me.

enter image description here

actionlink() generates <a> tag. need replace innerhtml = htmlhelper.actionlink(...) own code manually build html.

    public static mvchtmlstring menulink(this htmlhelper htmlhelper, string linktext, string actionname, string controllername, object routevalues, object htmlattributes)     {         var currentaction = htmlhelper.viewcontext.routedata.getrequiredstring("action");         var currentcontroller = htmlhelper.viewcontext.routedata.getrequiredstring("controller");         var currentarea = htmlhelper.viewcontext.routedata.datatokens["area"];         // build icon , display text elements         stringbuilder innerhtml = new stringbuilder();         tagbuilder icon = new tagbuilder("i");         icon.addcssclass("fa fa-file");         innerhtml.append(icon.tostring());         tagbuilder span = new tagbuilder("span");         span.innerhtml = linktext;         innerhtml.append(span.tostring());         // build link         tagbuilder link = new tagbuilder("a");         urlhelper urlhelper = new urlhelper(htmlhelper.viewcontext.requestcontext);         string url = urlhelper.action(actionname, controllername, routevalues);         link.mergeattribute("href", url);         link.mergeattributes(new routevaluedictionary(htmlattributes));         link.innerhtml = innerhtml.tostring();         // build li element         tagbuilder li = new tagbuilder("li");         li.innerhtml = link.tostring();         if (string.equals(controllername, currentcontroller, stringcomparison.currentcultureignorecase) && string.equals(actionname, currentaction, stringcomparison.currentcultureignorecase))         {             li.addcssclass("active");         }         // return html         return new mvchtmlstring(li.tostring());     } }

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