XAF Team Blog

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• state machine
• v2011.1
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XAF: Enhancements to existing modules, Entity Framework and performance (Coming soon in v15.1)

Notifications Module - Officially Shipping The eXpressApp Framework's Notifications Module (which first shipped as a CTP in v14.2 ), will officially ship in v15.1 and can now be used in production environments. This update includes a refactored API to...

Dennis Garavsky (DevExpress)

28 May 2015

Case Study: Building the Workflow-Based Licensing Application with XAF

Check out a case study from Nathaniel Laff (you probably already know him from forums, as he always has nice avatars ), where he described how he used the Workflow module (shipped as a part of our eXpressApp Framework (XAF) product) for automating the...

Dennis Garavsky (DevExpress)

12 March 2012

You have changes? I have Workflow!

Let me describe for a moment how we at DevExpress work. We build and sell software which means that we only sell and provide support for products that have been built and tested by us! However I am here as a framework evangelist and huge XAF fan. This...

Apostolis Bekiaris (DevExpress)

30 November 2011

Scheduling workflows in eXpandFrameWork

Let me describe for a moment how we at DevExpress work. We build and sell software which means that we only sell and provide support for products that have been built and tested by us! However I am here as a framework evangelist and huge XAF fan. This...

Apostolis Bekiaris (DevExpress)

4 September 2011

XAF Workflow persistence storage

The .NET Framework 4 ships with the SQL Workflow Instance Store which allows workflows to persist state information about workflow instances in a SQL Server 2005 or SQL Server 2008 database. However its implementation is based on stored procedures which...

Apostolis Bekiaris (DevExpress)

24 August 2011

Manually starting workflows – the best choice

Prerequisites Manually starting workflows In the first post of the series we saw how to start a workflow using a WCF service. Furthermore we also discussed doing this using the module’s out of the box mechanisms. So far however, we haven’t had time to...

Apostolis Bekiaris (DevExpress)

2 August 2011

Manually starting workflows

In this post we are going to explore 2 different ways to start a workflow. So far we have looked at using the workflow server, together with the ObjectCreated and ObjectFitsCriteria, to automatically start the workflow. However there is often a necessity...

Apostolis Bekiaris (DevExpress)

18 July 2011

Working with CRUD activities – Short Transactions

In this post we are going to examine a workflow model that involves long operations. Our example will be based on the following concept which should be familiar from previous posts. When working with workflows and persistent objects it is better to keep...

Apostolis Bekiaris (DevExpress)

14 June 2011

Working with XAF CRUD activities–Introduction

In this post we are going to explore the built in XAF CRUD activities beginning with how a workflow execution takes place. The workflow server acts as a host for WorkflowServiceHost objects and a number of services. Services will perform every action...

Apostolis Bekiaris (DevExpress)

1 June 2011

XAF Workflow Visual Designer

The introduction WF post has covered the basics. This is the first in a series of WF related posts, stay tuned! Microsoft has included a state of the art designer with WF4 which means better rehosting capabilities. The designer’s main purpose is to provide...

Apostolis Bekiaris (DevExpress)

24 May 2011