get SharePoint 2010 Workflow from Task item

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I am building a web part in C# that will get all outstanding tasks in a sharepoint site collection. Using a CAML query I am returning all items from a task list where the status = "Not Started". From here I will need to link back to the workflow that started this task and from there get the content type of the workflow with all of the associated fields.

Does anyone have any sample code to do this? I've seen code to get to the task item list from a list item that had an associated workflow, but I haven't seen how to get the workflow from the task item list.

Thanks

Posted 25-Apr-12 4:14am

swbo102

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Solution 1

You can use the Workflows[^] of the SPListItem. From there you can access the properties of SPWorkflow object necessary

Posted 25-Apr-12 4:44am

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swbo102 25-Apr-12 10:46am

I've tried that, however it seems to always return a count of zero, even though I know a WF is associated to that specific task item.

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swbo102 · Accepted Answer · 2012-04-25T06:49:00

Within the listItem object there is a field called "WorkflowInstanceID". Once you have that you can create a new SPWorkFlow object referencing that ID,

SPWorkflow workflowInstance = new SPWorkflow(oWeb, workflowInstanceId);

Once that is done you can go the list it is linked to via

SPList itemList = workflowInstance.ParentList;

From there I was able to get all I needed.