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Visual Studio 2013 Workflow: Failed to translate expression because of the following error: Translating the method or one of its overloads to an activity is not supported

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This post is a contribution from Charls Tom, an engineer with the SharePoint Developer Support team

When you build a Visual Studio Workflow targeting SharePoint 2013, you will see this error if you are using any expression that’s not supported inside a workflow.

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The reason for this is that 2013 workflows support only a very limited subset of .NET framework methods. In case you really need to so some operations that are not supported, best workaround is to implement it as a custom REST service method and call it using (HttpSend) where necessary.

Hope this helps!

Comments

  • Anonymous
    August 13, 2015
    Irony is that i'm trying to use Microsoft.SharePoint.Utilities.SPUrlUtility.CombineUrl (which is not supported) in HttpSend activity for Uri parameter :) So have to use String.Format (supported).