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Could you please point me to some good articles/links that explains how to remove a Workflow from the list using SP Object Model?

I am not having much luck with Google today!

Thanks a lot for looking into it.

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Well, you can work backwards from get-spscripts.com/2010/08/… the interesting API phrase is SPList.WorkflowAssociations :-) – user166390 Oct 28 '11 at 17:58

2 Answers

up vote 1 down vote accepted

OK. So here is the function I wrote that removes the Workflow from the list. Hope it helps someone :)

/// <summary>
/// Removes the workflow.
/// </summary>
/// <param name="workflowName">Name of the workflow.</param>
/// <param name="spList">The sp list.</param>
private static void RemoveWorkflow(string workflowName, SPList spList)
{
    SPWorkflowAssociation spWorkflowAssociation =
        spList.WorkflowAssociations.Cast<SPWorkflowAssociation>()
          .FirstOrDefault(workflowAssociation => workflowAssociation.Name.Equals(workflowName));

    if (spWorkflowAssociation != null)
    {
        spList.WorkflowAssociations.Remove(spWorkflowAssociation.Id);
    }

    spList.Update();
}
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up vote 0 down vote

Try this code,

   using(SPSite oSite = new SPSite("http://localhost/"))
   {
      using(SPWeb oWeb = oSite.OpenWeb())
      {
        SPList oList = oWeb.Lists["DocumentLib"];
        SPWorkflowAssociation objWorkflowAssociation = oList.WorkflowAssociations.Cast<SPWorkflowAssociation>().FirstOrDefault(workflowAssociation => workflowAssociation.Name.Equals("Approval Workflow"));
        if (objWorkflowAssociation != null)
        {
            oList.WorkflowAssociations.Remove(objWorkflowAssociation.Id);
        }
        oList.Update();
      }
   }

Its working on my end...

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This removes the workflow association(s) but the workflow still shows as inactive workflow in the workflow settings. How would you completely remove from the site? – MrMVCMan Sep 11 '12 at 16:02

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