Parser Error: Could Not Load Type "x" From Appdomain From Within Virtual Directory In IIS7
Aug 4, 2010
I have a parent web application, called Parent, and a second web application called Child. Child is a virtual directory in IIS7 under Parent which is an application in IIS. Child is not a child directory of parent in the file system, only in IIS as a virtual directory. On application loading (Application_Start in global.asax) in the parent web application i tell it to load the child web dlls from childs bin folder using Assembly.LoadFrom() loading it into the app domain of Parent. Then when i try to visit /Child/Default.aspx I get an error saying: Parser Error Parser Error Message: Could not load type 'Child._Default'. Now the Child.dll (the web dll containing childs code behind etc) is in the app domain of the parent application and i can successfully reflect it and its members from code behind in the Parent page Default.aspx.
Furthermore on the Child/Default.aspx if i change the Inherits="Child._Default" to Inherits="System.Web.UI.Page" and then in <% %> tags on the page enumerate the dlls in the app domain i can see Child.dll and reflect its members and invoke functions. One thing that works is changing CodeBehind to CodeFile in the page directive. Then the page parses correctly. However this only works when the websites are in uncompiled, non published form.
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[code]....
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