asp.net mvc - How to use dependency injection in ashx (Autofac, MVC4) - 


public class autocompletecity : ihttphandler {     public iautocompleterepository autocompleterepository { get; set; }      public void processrequest(httpcontext context)     {     } }  public static void registerdependencies() {     var builder = new containerbuilder();      builder.registertype<autocompleterepository>().as<iautocompleterepository>).singleinstance();     icontainer container = builder.build();     dependencyresolver.setresolver(new autofacdependencyresolver(container)); }

autocompleterepository registered singleinstance, null when calling processrequest.

how can fix this?

your code looks good. suspect missing in propertyinjectionmodule httpmodules setup in web.config. following module setup required autofac work asp.net:

  <add name="containerdisposal" type="autofac.integration.web.containerdisposalmodule, autofac.integration.web"/>   <add name="propertyinjection" type="autofac.integration.web.forms.propertyinjectionmodule, autofac.integration.web"/>

note: setup asp.net webforms integration described here.


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