You need to download the version of IronPython which is built for .NET 4.0: http://ironpython.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=28125
That'll just work and it'll support interop w/ C# 4.0. From: users-boun...@lists.ironpython.com [mailto:users-boun...@lists.ironpython.com] On Behalf Of Neelima Potti Sent: Monday, January 25, 2010 1:48 PM To: users@lists.ironpython.com Subject: [IronPython] to invoke ironpython from runtime in .NET framework 4.0 Hi, I am new to IronPython.. I have downloaded IronPython from the website http://www.codeplex.com/IronPython lastweek. When I open IronPython Console, it shows IronPython 2.6 (2.6.10920.0) on .NET 2.0.50727.3053 I am trying to invoke the Python engine at run time By calling in c# source(.NET 4.0 framework) _runtime = ScriptRuntime.CreateFromConfiguration() When I add Microsoft.Scripting as a Reference to this project, it shows the version as 2.6.911.0 And my app.config has <?xml version="1.0"?> <configuration> <configSections> <section name="microsoft.scripting" type="Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=2.6.911.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false"/> </configSections> <microsoft.scripting> <languages> <language names="IronPython,Python,py" extensions=".py" displayName="IronPython 2.0 Beta" type="IronPython.Runtime.PythonContext,IronPython, Version=2.0.0.0000, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/> </languages> </microsoft.scripting> <startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration> During runtime, I get the error: An error occurred creating the configuration section handler for microsoft.scripting: Could not load file or assembly 'Microsoft.Scripting, Version=2.6.911.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040 What am I missing here? Is my version wrong or publicKeyToken wrong or?? Any help would be greatly appreciated Thank you NPotti
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