Index: DataNode.cs
===================================================================
--- DataNode.cs	(revision 320)
+++ DataNode.cs	(working copy)
@@ -104,7 +104,7 @@
 				
 				foreach (string type in WebTypes)
 				{
-					if (path.EndsWith(string.Format("{0}{1}", type, extension)))
+					if (path.EndsWith(type))
 					{
 						return SubType.CodeBehind;
 					}