From 067daabdb0e5246a1e4898f48ee9a6feb77b9f7c Mon Sep 17 00:00:00 2001
From: Dave Reed <dareed@microsoft.com>
Date: Mon, 29 Nov 2010 12:12:11 -0800
Subject: [PATCH] Fix YSOD when a module has a missing dependency.

--HG--
branch : dev
---
 .../Modules/Orchard.Modules/Views/Admin/Features.cshtml     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.cshtml b/src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.cshtml
index 873ee414c..18999cd9c 100644
--- a/src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.cshtml
@@ -43,7 +43,11 @@
                     featureClassName += " last";
                 }
                 var dependencies = (from d in feature.Descriptor.Dependencies
-                                    select (from f in Model.Features where f.Descriptor.Id == d select f).Single()).OrderBy(f => f.Descriptor.Name);
+                                    select (from f in Model.Features where f.Descriptor.Id == d select f).SingleOrDefault()).Where(f => f != null).OrderBy(f => f.Descriptor.Name);                
+            @* todo: missingDependencies -- show them in a special way. Can be found like this:
+                var missingDependencies = feature.Descriptor.Dependencies
+                    .Where(d => !Model.Features.Any(f => f.Descriptor.Id == d));
+             *@
             <li class="@featureClassName" id="@featureId" title="@T("{0} is {1}", Html.AttributeEncode(featureName), featureState)">
                 <div class="summary">
                     <div class="properties">