asp.net - Having an issue with IController when converting from MVC 3 to MVC4 -


i in process of converting web app mvc3 mvc4 client. far, have used this previous stackoverflow , these official steps during conversion process. note step 4 within official steps, not able update mvc4 using nuget. instead, had download mvc4 microsoft download center.

my issue when run web app (after "converting" mvc4) error:

the type name or alias icontroller not resolved. please check configuration file , verify type name.

i know icontroller located in system.web.mvc not sure why project cannot find it. tried replicating solution adding both assembly , namespace tags icontroller, didn't work. did remove old references mvc, helpers, , webpages , replaced them new references.

below code within web.config file. note used ellipses when skipping on unrelated code.

web.config (snippets)

<appsettings>    <add key="webpages:version" value="2.0.0.0" />    <add key="preserveloginurl" value="true" />    <add key="clientvalidationenabled" value="true" />    <add key="unobtrusivejavascriptenabled" value="true" /> </appsettings>  <system.web>     <compilation debug="true" targetframework="4.0">        <assemblies>           <add assembly="system.web.abstractions, version=4.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35" />           <add assembly="system.web.helpers, version=2.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35" />           <add assembly="system.web.routing, version=4.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35" />           <add assembly="system.web.mvc, version=4.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35" />           <add assembly="system.web.webpages, version=2.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35" />         </assemblies>    </compilation> ...    <pages>      <namespaces>        <add namespace="system.web.helpers" />        <add namespace="system.web.mvc" />        <add namespace="system.web.mvc.ajax" />        <add namespace="system.web.mvc.html" />        <add namespace="system.web.routing" />        <add namespace="system.web.webpages" />        <add namespace="telerik.web.mvc" />        <add namespace="telerik.web.mvc.ui" />        <add namespace="infrastructure.mvc.extensions" />      </namespaces>    </pages> </system.web> ... <runtime>    <assemblybinding xmlns="urn:schemas-microsoft-com:asm.v1">      <dependentassembly>        <assemblyidentity name="system.web.mvc" publickeytoken="31bf3856ad364e35" />        <bindingredirect oldversion="1.0.0.0-3.0.0.0" newversion="3.0.0.1" />      </dependentassembly>    </assemblybinding> </runtime>  <unity>    <!-- controllers -->    <alias alias="icontroller" type="system.web.mvc.icontroller,system.web.mvc" />    ...     <containers>      <container>        <!-- controllers -->        <register type="icontroller" mapto="transactioncontroller" name="transaction" />        <register type="icontroller" mapto="actioncontroller" name="action" />        <register type="icontroller" mapto="taskcontroller" name="task" />      </container>    </containers>

the error comes invalidoperationexception thrown in following code:

public class mvcapplication : system.web.httpapplication { ...     private void configurecontainer()     {         var unitycontainer = new unitycontainer();         var unityconfigsection = configurationmanager.getsection("unity") unityconfigurationsection;         unityconfigsection.configure(unitycontainer); // exception thrown right here          controllerbuilder.current.setcontrollerfactory(new unitycontrollerfactory(unitycontainer));     }

also, within web.config file, replaced existing runtime tag 1 mentioned in step 7 of official conversion guide (link in beginning paragraph), didn't well.


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