http://blogs.msdn.com/nishand/archive/2008/08/27/how-to-add-remove-and-start-workflow-programmatically.aspxRemoving Association 1: SPSite site = new SPSite( "http://localhost" ); 2: SPWeb web = site.OpenWeb(); 3: SPList list = web.Lists[ "Shared Documents" ]; 4: SPWorkflowAssociation _association = null ; 5: foreach (SPWorkflowAssociation association in list.WorkflowAssociations)en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/nishand/archive/2008/08/27/how-to-add-remove-and-start-workflow-programmatically.aspx#8901854Thu, 28 Aug 2008 02:15:27 GMT91d46819-8472-40ad-a661-2c78acb4018c:8901854send flowers &raquo; How to add, remove and start workflow programmatically?<p>PingBack from <a rel="nofollow" target="_new" href="http://hubsfunnywallpaper.cn/?p=2679">http://hubsfunnywallpaper.cn/?p=2679</a></p> http://blogs.msdn.com/nishand/archive/2008/08/27/how-to-add-remove-and-start-workflow-programmatically.aspx#9136640Mon, 24 Nov 2008 13:17:08 GMT91d46819-8472-40ad-a661-2c78acb4018c:9136640PeterRiise<p>Hi, Im trying to remove a specific workflow from all pages list in a sitecollection. but i get this error when i run though the site:</p> <p>Collection was modified; enumeration operation may not execute. &nbsp; at Microsoft.SharePoint.SPBaseCollection.SPEnumerator.System.Collections.IEnumerator.MoveNext()</p> <p>in this line of code: &quot;foreach (SPList currentList in currentWeb.Lists)&quot;</p> <p>This is the code i use:</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;using (SPSite site = new SPSite(SPContextID))</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;foreach (SPWeb currentWeb in site.AllWebs)</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;try</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;foreach (SPList currentList in currentWeb.Lists)</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;if (currentList.Title.ToLower().Equals(&quot;pages&quot;))</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;currentList.EnableModeration = true;</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;foreach (Microsoft.SharePoint.Workflow.SPWorkflowAssociation wfa in currentList.WorkflowAssociations)</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;if (wfa.Name.Equals(&quot;Parallel Approval&quot;))</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;currentList.RemoveWorkflowAssociation(wfa);</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break; // Only this workflow has to be removed, bail out when done.</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;finally</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;currentWeb.Dispose();</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</p> <p>Do you have any idea's? </p>