Why don't my Html Helpers have intellisense? - asp.net-mvc

I can't get intellisense for my own html helpers. My CustomHtmlHelpers.cs looks like this:
using System.Web.Mvc;
using System.Text;
using System.Web;
namespace laget.Web.Helpers
{
public static class CustomHtmlHelpers
{
//MY HELPERS
}
}
and in my Web.config:
<pages>
<namespaces>
<add namespace="laget.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="System.Web.Helpers" />
</namespaces>
</pages>
If I put <#using laget.Web.Helpers> in my view, I get the intellisense issue fixed.
Should it not be enough with the code in Web.config?

Sometimes it doesn't seem to work right away. Try closing the .cshtml file, and re-opening it. Then if that doesn't work, try restarting Visual Studio. Also make sure you actually compiled your project, intellisense won't work with non-compiled helpers.

I'm pretty sure that you're not editing the correct Web.config file.
You need to add your namespace to the one in your Views directory.
<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
<add namespace="laget.Web.Helpers" />
</namespaces>
</pages>
</system.web.webPages.razor>

You actually don't need to restart Visual Studio in most cases. All you need to do is close the .cshtml file and reopen it!

It needs it on the local page. I'm pretty sure this has to do with Namespace resolution. It isn't exactly sure what you are referring to without the local using statement.

I ran into this today as well. Sometimes just closing the Razor view's window in Visual Studio and re-opening it will do the trick without having to do a full Visual Studio restart.

I tried to solve an issue like this one yesterday. I had e pre-compiled dll (project name ie: MyHtmlHelpers) containing helpers and lot of other classes.
I had the assembly referenced in the web project and the all "standard"-helpers showed up in intellisense but, even though I added the namespace to both web.config in the root and in the views-folder nothing worked. When running the project helpers works, but not in intellisense.
I added a new class and wrote a new html helper inside the web project, added the namespace to web.config. And that worked.
After some hours add tried my last card, adding the MyHtmlHelpers-project to the same solution as my webproject. That did the trick. I diden't change anything in the configs just added the project to the same solution and changed the reference to point at the project insted of the compiled dll.
Isen't that strange? A VS-bug?

I found that i was adding the reference to the wrong web.config. It's not the main config but the web.config in the views directory...

So now I will show you the steps
1.Create or open an existing class library project (if you open an existing one be sure to remove the MVC5 nuget package)
2.Add the MVC (5.0) nuget package (
right click project in solution explorer -> Manage NuGet Packages -> search for MVC and install “Microsoft ASP.NET MVC”)
3.Close any and all open .cshtml files
4.Right click project -> Properties -> Build -> change Output path to your project “bin/”
5.Add the following minimal Web.config to the root of your class library project
( the web config file is solely needed for intellisense. Configuration (via Web.config)
should be done in the WebApplication hosting your ClassLibrary assembly)
6.Clean and Build the solution.
7.Open cshtml file and try now :)

I found that if it still doesn't work, you may need to go to the properties of the custom class and change the build action from "content" to "compile". That resolved it for me.

I try all of this solutions, one more thing which i didnt find is that in root web.config i must change webpages:Version from 2.0.0.0 to 3.0.0.0.
Open and close all .cshtml files and it's worked.
<appSettings>
<add key="webpages:Version" value="3.0.0.0" />
<add key="webpages:Enabled" value="false" />

Related

Page Inspector Runtime must be registred in root web.config. Warning

In VS 2012 update 1,
I am getting a "Page Inspector Runtime must be registred in root web.config" Warning, when running the page inspector.
Can anyone assist me in what I have to put in the root web.config to fix this . Or some other solution.
Thanks
I realize this is an old question, but since it comes up on a search for the same issue which is still relevant to VS 2019, I thought I'd provide the actual answer:
The error mentioned here is referring to the registration of a file that is in GAC that needs to happen in the machine-level web.config. Not, as the other answers mentioned, in the project's web.config file.
The machine-level web.config file is located (for .net 4+, which I'm assuming is all anyone is using right now) at c:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web.config
And here is what you'll need to add:
<configuration>
..
<system.web>
...
<compilation>
<assemblies>
...
<add assembly="Microsoft.VisualStudio.Web.PageInspector.Loader, Version=1.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
</assemblies>
</compilation>
</system.web>
</configuration>
There's obviously a lot more in your machine-level web.config file - I'm just showing it as above so you see the hierarchy it needs to be in.
Normally this is added by the VS installer. But there are circumstances in which the installer fails to add it or even removes it..
To generate the metadata that is required for some of its features, Page Inspector must instrument the project by adding the following setting to the element in the Web.config file. You can use Page Inspector even if this setting is disabled or it is missing. However, some features like the source selection mapping will not work under these conditions.
Web.config
<add key="VisualStudioDesignTime:Enabled" value="true" />
Add to 'web.config' the key/value suggested by #Vicky_Raj_Sharma above and the "PageInspector:ServerCodeMappingSupport" under , like this:
<appSettings>
<add key="webpages:Version" value="2.0.0.0" />
<add key="webpages:Enabled" value="false" />
<add key="PreserveLoginUrl" value="true" />
<add key="ClientValidationEnabled" value="true" />
<add key="UnobtrusiveJavaScriptEnabled" value="true" />
<!-- Keys above came with Hot Towel SPA template for VS2012 -->
<!-- Keys below where manually added -->
<add key="VisualStudioDesignTime:Enabled" value="true" />
<add key="PageInspector:ServerCodeMappingSupport" value="Enabled"/>
</appSettings>
When browsing the page (Browse with menu) from within VS it will show the page in your preferred browser.
Still haven´t figured out how to run this directly on IIS8 though...

MVC 4 #Scripts "does not exist"

I have just created an ASP.NET MVC 4 project and used Visual Studio 2012 RC to create a Controller and Razor Views for Index and Create Actions.
When I came to run the application, and browsed to the Create view, the following error was shown:
Compiler Error Message: CS0103: The name 'Scripts' does not exist in
the current context
The problem is the following code which was added automatically to the bottom of the View:
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
Why does Scripts not exist?
I looked at the base Web Page class in Assembly System.Web.Mvc.dll, v4.0.0.0
I can see the following helper properties available:
Ajax
Html
Url
But nothing named Scripts.
Any ideas?
EDIT:
My Web.config file looks like this (untouched from the one that Visual Studio created):
<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
</namespaces>
</pages>
</system.web.webPages.razor>
EDIT #2:
People are blogging about using the #Scripts helper:
SCOTT HANSELMAN Blog
Codebetter.com
Yet having just installed Visual Studio 2012 RC onto a fresh Windows 8 install I am still unable to use #Scripts even though Visual Studio adds it to the generated View!
Solutions are presented below.
I am not sure how to close this, because in the end an update seemed to resolve the issue. I double checked I had performed a clean install, using a new project. But the same failing project I had made works fine now after various updates and no manual obvious intervention. Thanks for all of the thoughts but there was definitely an issue at the time ;)
The key here is to add
<add namespace="System.Web.Optimization" />
to BOTH web.config files. My scenario was that I had System.Web.Optimization reference in both project and the main/root web.config but #Scripts still didn't work properly. You need to add the namespace reference to the Views web.config file to make it work.
UPDATE:
Since the release of MVC 4 System.Web.Optimization is now obsolete. If you're starting with a blank solution you will need to install the following nuget package:
Install-Package Microsoft.AspNet.Web.Optimization
You will still need to reference System.Web.Optimization in your web.config files. For more information see this topic:
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
As many pointed out, restart of VS could be required after the above steps to make this work.
#Styles and #Scripts are 2 new helpers provided by System.Web.Optimization library. As the name suggests, they bundle and minify CSS and JavaScript files or resources respectively.
Try including the namespace System.Web.Optimization either by #using directive or through web.config
http://ofps.oreilly.com/titles/9781449320317/ch_ClientOptimization.html#BundlingAndMinification
UPDATE
Microsoft has moved the bundling/minification to a separate package called Microsoft.AspNet.Web.Optimization. You can download the assembly from nuget.
This post will be useful to you.
There was one small step missing from the above, which I found on another post. After adding
<add namespace="System.Web.Optimization" />
to your ~/Views/web.config namespaces, close and re-open Visual Studio. This is what I had to do to get this working.
I am using areas, and have just come up against this issue, I just copied the namespaces from the root web.config to the areas web. config and it now works!!
<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.Optimization" />
<add namespace="System.Web.Routing" />
<add namespace="System.Web.WebPages" />
I had the same problem and I used WinMerge to help me track this down. But as I researched it more, I found that Rick has the perfect blog post for it.
Summary:
Add <add namespace="System.Web.Optimization"/> to both web.config files
Run Install-Package -IncludePrerelease Microsoft.AspNet.Web.Optimization
Update Bundling code
Update Layout file
The last step is to update 10 other libraries. I didn't and it worked fine. So looks like you can procrastinate this one (unless I already updated 1 or more of them). :)
I had the same issue:
The System.Web.Optimization version I was using was outdated for MVC4 RC.
I updated my packages using the package manager in VS 2010.
In this MSDN blog, Mr. Andy talks about how to update your MVC 4 Beta project to MVC 4 RC. Updating my packages got the Scripts (particularly the web optimization one) to resolve for me:
To install the latest System.Web.Optimization package, use Package Manager Console (Tools -> Library Package Manager -> Package Manager Console) and run the below command:
Install-Package -IncludePrerelease Microsoft.AspNet.Web.Optimization
Use the System.Web.Optimization file included in the package in your references.
To update other packages:
Tools menu -> Library Package Manager -> Manage NuGet Packages for Solution.
Create a new MVC 4 RC internet application and run it. Navigate to Login which uses the same code
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
What allows Login.cshtml to work is the the Views\Web.config file (not the app root version) contains
<namespaces>
<add namespace="System.Web.Optimization"/>
</namespaces>
Why is your Create view not working and Login is?
Import System.Web.Optimization on top of your razor view as follows:
#using System.Web.Optimization
I ran into this problem, however while running the command:
Install-Package -IncludePrerelease Microsoft.AspNet.Web.Optimization
I received the cryptic message (gotta love a great pun before the first cup of coffee):
Install-Package : The specified cryptographic algorithm is not
supported on this platform.
I am running this on Windows XP SP3 (not by choice) and what I found was that I had to follow the instructions posted by the user artsnob on the ASP.NET Forum
Please uninstall the Nuget and try re-installing it. If you are unable to do this, login as an Administrator.
Go to Tools=> Extension Manager => Select "Nuget Package Manager" => UnInstall
Install it again, by searching "Nuget" => Install.
If it did not work, please try installing, 1.7.x version as I mentioned in the previous post (It doesn't mean, you have to use the previous version, if it works fine, we can report this bug, and get the patches for the latest version).
Once I ran this I could then run the command line to update the Web.Optimization.
Hope this saves someone some digging.
Just write
#section Scripts{
<script src="#System.Web.Optimization.BundleTable.Bundles.ResolveBundleUrl("~/bundles/jqueryval")"></script>
}
I upgraded from Beta to RC and faced 'Scripts' does not exist issue. Surfed all over the web and the final solution is what N40JPJ said plus another workaroudn:
Copy the following in View\Web.config :
<namespaces>
<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.Optimization"/>
<add namespace="System.Web.Helpers"/>
</namespaces>
and the following inside View\Shared_Layout.cshtml
#if (IsSectionDefined("scripts"))
{
#RenderSection("scripts", required: false)
}
Hope it helps.
Apparently you have created an 'Empty' project type without 'Scripts' folder.
My advice
-create a 'Basic' project type with full 'Scripts' folder.
With respect to all developers.
just remove/ hide the code from create & Edit razor view of your controller.
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
: remove view page.
: add namespace webconfig (in view directory)
: create view an try!
good luck...
One more for the pot - spent ages trying to work out the same problem - even though it was defined in the web.config for root and the root of Views. Turns out I'd mistakenly added it to the <system.web><pages><namespaces>, and not <system.web**.webPages.razor**><pages><namespaces> element.
Really easy to miss that!
When I enter on a page that haves this code:
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
This error occurs: Error. An error occurred while processing your request.
And this exception are recorded on my logs:
System.Web.HttpException (0x80004005): The controller for path '/bundles/jqueryval' was not found or does not implement IController.
em System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType)
...
I have tried all tips on this page and none of them solved for me. So I have looked on my Packages folder and noticed that I have two versions for System.Web.Optmization.dll:
Microsoft.AspNet.Web.Optimization.1.1.0 (v1.1.30515.0 - 68,7KB)
Microsoft.Web.Optimization.1.0.0-beta
(v1.0.0.0 - 304KB)
My project was referencing to the older beta version. I only changed the reference to the newer version (69KB) and eveything worked fine.
I think it might help someone.
That has an obvious solution. I had the same problem later. Not related to Assembly References or ... .It'll occur In hierarchy calling of MVC Partial views, when you have complicated page structures. So calling/rendering each part separately on each page (maybe a master page or partial) will cause to not see required parts of page like the bellow code :
#RenderSection("Scripts", required: false)
That simply forces page to find and render related section and in case of failure shows you an error message like you.
So I suggest you to trace your pages (like program trace) from master to all of its partials to Detect Dependencies. Maybe it be a terrible work, but no other choices available here.
Not that according to my experience, some conditional situations in programming causes not to show you the right error causes the problem.
I had this issue after I added an Area to a project that didn't have any.
To get rid of it just copied the web.config withing root Views folder to the Views folder of the area and it started working.
For me this solved the problem, in NuGet package manager console write following:
update-package microsoft.aspnet.mvc -reinstall
When i started using MVC4 recently i faced the above issue while creating a project with the empty templates.
Steps to fix the issue.
Goto TOOLS --> Library Package Manager --> Packager Manager Console
Paste the below command and press enter
Install-Package Microsoft.AspNet.Web.Optimization
Note: wait for successful installation.
Goto Web.Config file in root level and add below namespace in pages namespace section.
add <namespace="System.Web.Optimization" />
Goto Web.Config in Views folder and follow the step 2.
Build the solution and run.
The Package mentioned in step 1 will add few system libraries into the solution references like System.Web.Optimization is not a default reference for empty templates in MVC4.
I hope this helps.
Thank you
I had a very similar error when upgrading a project from MVC3 to MVC4.
Compiler Error Message: CS0103: The name [blah] does not exist in the
current context
In my case, I had outdated version numbers in several of my Web.Configs.
I needed to update the System.Web.Mvc version number from "3.0.0.0" to "4.0.0.0" in every Web.Config in my project.
I needed to update all of my System.Web.WebPages, System.Web.Helpers, and System.Web.Razor version numbers from "1.0.0.0" to "2.0.0.0" in every Web.Config in my project.
Ex:
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
<section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
</sectionGroup>
</configSections>
...
<compilation debug="true" targetFramework="4.0">
<assemblies>
<add assembly="System.Web.Helpers, Version=2.0.0.0, 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>
Be sure to review the Web.Configs in each of your Views directories.
You can read more about Upgrading an ASP.NET MVC 3 Project to ASP.NET MVC 4.
If you added to your web.config and it still shows message, then you need to close your project and reopen it, now it will exist and #Styles.Render("") and #Scripts.Render() will work fine.
I solve this problem in MvcMusicStore by add this part of code in _Layout.cshtml
#if (IsSectionDefined("scripts"))
{
#RenderSection("scripts", required: false)
}
and remove this code from Edit.cshtml
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
Try this:
#section Scripts
{
Scripts.Render("~/bundles/jqueryval") // <- without ampersand at the begin
}

mvc3 razor page don't find Namespace

I read a lot of similar questions out there, but I can't solve my particular problem...
In my MVC3 project I use an external library. I can use this library everywhere, but not in my razor views.
So, reading some similar question on SO, I found out that I should register this library into the <system.web><compilation><assemblies> section.
Trying to do this, I ended up with a portion of my web.config like this
<compilation debug="true" targetFramework="4.0">
<assemblies>
... <!-- default assembly registration, like System.Web.something -->
<add assembly="MailBee.Net.dll, Version=7.1.4.348, Culture=neutral, PublicKeyToken=cd85b70fb26f9fc1" />
</assemblies>
</compilation>
But still don't work... or to be more precise, this broke up all the project at runtime. If I launch the project, it crashes telling me Impossibile to load assembly 'MailBee.Net.dll, Version=7.1.4.348, Culture=neutral, PublicKeyToken=cd85b70fb26f9fc1' or one of its dependency
The dll for sure is in the /bin folder of the web application and, deleting the declaration in the web.config file, I cau use it in all the project but in the views page.
Any idea?
There are a few possible problems:
MailBee.Net.dll has a dependancey/requirement on another dll that is not in your solution.
MailBee.Net.dll is not the same x86/x64 version as your project/hosting solution (visual studio/iis express)
Additionally, in your web.config file located in the Views directory you should add something like the following:
<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory,
System.Web.Mvc,
Version=3.0.0.0,
Culture=neutral,
PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage" />
<namespaces>
<add namespace="<NamespaceYouNeedInYourViews>" />
</namespaces>
</pages>
</system.web.webPages.razor>
I got it!
It's not a problem of dependencies, nor a problem of declaring the assembly or the namespace somewhere... it's just that that library, for some reason, is not copied into the bin folder when building the project!
Or better, the reason is that the property "Copy local" on the referenced library is set to false, but I have no idea why: every other third party library I tried with haven't this behaviour...

How can I make Input Builders (MVC Contrib) work with Spark View Engine?

Today I spent a good three hours trying to convert the project MvcContrib.Samples.InputBuilders, included in MVC Contrib to make it work with Spark View Engine, but so far was unable to do so.
Does anybody have a clue why these two just won't get along?
Changes I've made
InputForm.spark:
<viewdata model="SampleInput" />
!{Html.InputForm()}
Global.asax.cs:
...
protected void Application_Start() {
RegisterRoutes(RouteTable.Routes);
InputBuilder.BootStrap();
ViewEngines.Engines.Clear();
ViewEngines.Engines.Add(new SparkViewFactory());
}
Web.config:
...
<spark>
<compilation debug="true"/>
<pages automaticEncoding="true">
<namespaces>
<add namespace="System"/>
<add namespace="System.Collections.Generic"/>
<add namespace="System.Linq"/>
<add namespace="System.Web.Mvc"/>
<add namespace="System.Web.Mvc.Ajax"/>
<add namespace="System.Web.Mvc.Html"/>
<add namespace="System.Web.Routing"/>
<add namespace="MvcContrib.UI.InputBuilder"/>
<add namespace="MvcContrib.UI.InputBuilder.Views"/>
<add namespace="Web.Models"/>
</namespaces>
</pages>
</spark>
(I copied the last three namespaces from the sample project.)
Errors I'm getting
Depending on the order in which I setup Spark/InputBuilder in Global.asax.cs, I get two different exceptions.
If I first setup InputBuilder, then Spark (code shown above):
error CS1061:
'System.Web.Mvc.HtmlHelper' does not
contain a definition for 'InputForm'
and no extension method 'InputForm'
accepting a first argument of type
'System.Web.Mvc.HtmlHelper' could be
found (are you missing a using
directive or an assembly reference?)
If I first setup Spark, then InputBuilder:
The view 'InputForm' or its master
could not be found. The following
locations were searched:
~/Views/Home/InputForm.aspx
~/Views/Shared/InputForm.aspx
~/Views/InputBuilders/InputForm.aspx
~/Views/Home/InputForm.ascx
~/Views/Shared/InputForm.ascx
Change input.spark to:
<use namespace="MvcContrib.UI.InputBuilder"/>
<use namespace="MvcContrib.UI.InputBuilder.Views"/>
<add namespace="Web.Models"/>
<viewdata model="SampleInput" />
!{Html.InputForm()}
Adding to web.config doesn't work in Spark. You can use _global.spark instead.
There is also another problem. In stable Spark, SparkView Html property is of type HtmlHelper, not HtmlHelper<TModel>. Html.InputForm() function works only for HtmlHelper<TModel>, so you will have to download Spark source and use development build, because it was changed recently. You can also download stable sources and change it yourself. Here is some info:
http://groups.google.com/group/spark-dev/browse_thread/thread/618bd44a94368d22/f7df24e52924f4dc?show_docid=f7df24e52924f4dc
Your on the right track with setting up the input builders and then the spark view engine.
You can see from the source file from mvccontrib that you need this namespace defined MvcContrib.UI.InputBuilder.Views for your view to reference the input builders HtmlHelper Extentions.
http://github.com/mvccontrib/MvcContrib/blob/master/src/MVCContrib/UI/InputBuilder/Views/HtmlExtensions.cs
I wrote the input builders but I do not know enough about the spark view engine to know why it is not resolving the reference to the extention methods for the input builders.

MvcSiteMap Provider Setup Problems

In relation to this post I'm using the MvcSiteMap provider. I can't seem to get it to work. What I'm doing is opening the project made available by the download, compiling it, then taking the MvcSiteMap.Core.dll generated by the build, placing it in my Dependencies folder in my MVC project, and then right-clicking on references and hitting "Add Reference". From here I'm just trying to use it in my masterpage but intellisense isn't picking it up, and trying to build with it isn't working either.
I'm trying to do <%=Html.SiteMapPath()%> without any luck. Any ideas?
Have you add <add namespace="name of the mvcsitemap package"> to yours web.config (under following xpath: /configuration/system.web/pages/namespace)?
Here is an example from the project home page: http://mvcsitemap.codeplex.com/
<pages>
<controls>
<! -- ... -->
</controls>
<namespaces>
<! -- ... -->
<add namespace="MvcSiteMap.Core.Helpers"/>
</namespaces>
</pages>

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