Reference GAC assemblies from web.config
How to reference assemblies in the Global Assembly Cache from your web.config (no dll's are needed in bin):
<system.web> <compilation> <assemblies> <add assembly="MNissen.DataControls, Version=1.1.0.0, Culture=neutral, PublicKeyToken=e21df62f5c740a13" /> <add assembly="Web, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e21df62f5c740a13" /> <add assembly="Services, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e21df62f5c740a13" /> <add assembly="Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e21df62f5c740a13" /> <add assembly="Microsoft.ApplicationBlocks.ExceptionManagement, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e21df62f5c740a13" /> </assemblies> </compilation> </system.web>