Update Workflow Definition in Production Environment

When you develop workflows in your developing environment you simply re-deploy your SharePoint-project to dev-server, and Visual Studio deletes workflow definitions and associations:

 3> Deleted file 'http://portal-dev/wfsvc/de109848e7d84f2bb90713227d48d9fe/Workflow.xaml' from server.  
 3> Deleted file 'http://portal-dev/wfsvc/de109848e7d84f2bb90713227d48d9fe/WorkflowStartAssociation' from server.  

But when you have developed workflows and publish them to the production environment, you will meet an issue that workflows are not updating.

Workflow Tasks Emails Disabling

Hello!
Assigning a task you may want to disable email sending to determine your own emails like in this thread. But what will you see at the task activity properties?

Code Activities Exceptions at Workflow Publishing

I encountered a problem when your old workflows, that already have been working, was caused exceptions on publishing. For example, this forum discussion. You may spent many hours to make them work again. Let's dive!

Cross-stage workflows for beginners. Part II. WorkflowDesigner in Visual Studio

Hi everyone!
As I wrote in previous part, we are studying to program cross-stage workflows. Today we'll look at how it implements by more powerful instrument - Visual Studio 2012.

Cross-stage workflows for beginners. Part I. SharePoint Designer

Hello!
One of the most important things in SharePoint 2013 is cross-stage workflows. SharePoint 2010 has "sequential" chain-like workflows with plain passage in flow. Sequential workflows pass through the flow from start point to end point with executing a defined set of activities. This is restricting your vision of any workflow in your organization. Let me show you how you can implement workflow with a complex business logic.

Code Activity Assembly Cache Updating

How to develop code activities for the Workflow Manager you can for example read here.
When you have developed the second version of your activity you need to update activity DLL cache. Otherwise, the old version will execute in your workflow. Let's see how to do it.

Build Collections for Composite Task

For a Composite Task you need to define executors and set AssignedTo field. This field has a specific type InArgument<Collection<string>>. So you need to build a collection of strings and specify it to Composite Task activity. Let's take a look.