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POUsing VirtualPathProvider to load ASP.NET MVC views from DLLs
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  1. POUsing VirtualPathProvider to load ASP.NET MVC views from DLLs
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    copied!<p>Based on this question <a href="https://stackoverflow.com/questions/19746/views-in-seperate-assemblies-in-aspnet-mvc">here</a> and using code found <a href="http://www.codeproject.com/KB/aspnet/ASP2UserControlLibrary.aspx" rel="nofollow noreferrer">here</a> I'm trying to load views that are embedded resources in a separate DLL project, and the original question's author says he has had success doing this - but I can't get it to work as it seems the MVC view engine is intercepting the request and still looking at the file system for the view. Exception:</p> <pre><code>Server Error in '/' Application. The view 'Index' or its master could not be found. The following locations were searched: ~/Views/admin/Index.aspx ~/Views/admin/Index.ascx ~/Views/Shared/Index.aspx ~/Views/Shared/Index.ascx ~/App/Views/admin/Index.aspx ~/App/Views/admin/Index.ascx ~/App/Views/Shared/Index.aspx ~/App/Views/Shared/Index.ascx </code></pre> <p>I am using a <code>CustomViewEngine</code>, like Rob Connery's /App structure one as follows:</p> <pre><code>public class CustomViewEngine : WebFormViewEngine { public CustomViewEngine() { MasterLocationFormats = new[] { "~/App/Views/{1}/{0}.master", "~/App/Views/Shared/{0}.master" }; ViewLocationFormats = new[] { "~/App/Views/{1}/{0}.aspx", "~/App/Views/{1}/{0}.ascx", "~/App/Views/Shared/{0}.aspx", "~/App/Views/Shared/{0}.ascx" }; PartialViewLocationFormats = ViewLocationFormats; } } </code></pre> <p>Here are my routes:</p> <pre><code> routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute("Home", "", new {controller = "Page", action = "Index", id = "Default"}); routes.MapRoute("Default", "Page/{id}", new { controller = "Page", action = "Index", id = "" }); routes.MapRoute("Plugins", "plugin/{controller}/{action}", new { controller = "", action = "Index", id = "" }); routes.MapRoute("Error", "{*url}", new { controller = "Error", action = "ResourceNotFound404" }); </code></pre> <p>In my <a href="http://www.codeproject.com/KB/aspnet/ASP2UserControlLibrary.aspx" rel="nofollow noreferrer"><code>AssemblyResourceProvider</code></a> I'm checking to see if the path starts <code>~/plugin/</code> and then using the dll filename convention <code>plugin.{controller}.dll</code></p> <p>Any suggestions?</p> <p><strong>UPDATE:</strong> By the time the routed request for say <code>http://localhost/plugin/admin</code> is getting to the VirtualFileProvider it doesn't have any View attached at the end. So in the <code>VirtualFileProvider</code>'s Open method the virtual path of <code>~/plugin/admin</code> is being passed in when it should be <code>~/plugin/admin/Index.aspx</code> as defined in my route above. Have I messed up my routes or am I right to be expecting this to happen?</p>
 

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