Category Archives: Workflow

Workflow App Permissions

With the new 2013 workflows there are a few scenarios that can cause issues which may not be obvious to those coming from 2010. One such scenario is configuring list items to have Create and Edit access set to Create … Continue reading

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Validation of viewstate MAC failed in AddWrkfl

I recently added a delegate control to a SharePoint solution. The delegate control was used to dynamically insert a custom user control into the master page. Part of the functionality of this control required the use of hidden fields. Everything … Continue reading

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Task locked by Running Workflow and Cannot be Edited

If you’re trying to update a task item that is linked to a running workflow using code similar to public UpdateTaskItem(SPList taskList, int identifier, string newValue) { taskItem = taskList.GetItemById(identifier); // Update task item taskItem["fieldname"] = newValue; taskItem.Update(); }public UpdateTaskItem(SPList … Continue reading

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Workflow Activity – Part 2

This is the second part of the custom workflow activity creation tutorial. For the first part please go here. Now that we have a workflow activity defined, the next step is to add a new project to Visual Studio.

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Workflow Activity – Part 1

The object of this post is to provide a walkthrough on creating a custom workflow activity for SharePoint 2010 and deploying it as part of a custom sequential workflow. Start by creating a new empty Class Library project.

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