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I tried to deploy a Sitelets WebSharper app to an ASP.NET 4.5 beta hosting program but I get the following error message when loading the home page: "Could not load file or assembly 'FSharp.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)". I added the FSharp.Core dll to the bin folder but the error message is still the same.
Please have a look at assembly binding redirect in your Web.config. WebSharper binaries are currently built against F# 2.0.0.0 but they work against F# 4.0.0.0 (.NET 4.0) and F# 4.3.0.0 (.NET 4.5) provided you configure the runtime to redirect the binding:
I think if you use VS 2011 Beta then the default templates will target 4.5 and contain this redirect. If you use VS 2010, everything will default to 4.0 and will require modification manually.
If the development server does not have FSharp.Core installed in the GAC, you will also need to make sure FSharp.Core 4.3.0.0 makes it into the bin folder of your web app.
<assemblyBinding appliesTo="v4.0.30319" xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="FSharp.Core" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="2.0.0.0" newVersion="4.3.0.0" />
</dependentAssembly>
</assemblyBinding>
I think if you use VS 2011 Beta then the default templates will target 4.5 and contain this redirect. If you use VS 2010, everything will default to 4.0 and will require modification manually.
If the development server does not have FSharp.Core installed in the GAC, you will also need to make sure FSharp.Core 4.3.0.0 makes it into the bin folder of your web app.
Thank you
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