Answer Questions

• RMD SqlPersistenceService and Oracle

  Does anyone know if I can use Oracle for Workflow sqlPersistenceService (and trackingService) and How Thanks in advance! We definitely don't want to use DTC, and would prefer to use local transactions as well. So just to be clear, can I use the provided Shared Connection transaction service if I use Oracle via ADO.NET You'll have to write your own persistence service which stores the state to o ...Show All

• AndrewVos Why did GetService() Changed the way it worked from Beta 2.0 to 2.2

  Hi, I have a custom Activitiy that worked in Beta 2.0 but now it doesn't work. This activity is used to Save the workflow at specific points in the workflow so if the server dies I have a "reference point" to restart the processing. Here is the execute method of my activitiy protected override ActivityExecutionStatus Execute( ActivityExecutionContext executionContext ) { // Get the root activity for the workflow A ...Show All

• Ramana Kumar How to make a StateMachine which show the terminal user to see the status of Squence workflow

  In my case, the second step is from a main table to entry a sub table, however, the main table page does not close. The system can keep this page and reentry into sub table by different option. (It means that, my workflow can go back last state). I think the we should use StateWorkflow to achieve the functionality. However, there a problem. I wish the follow a simple order processing which always from main table to entry the sub table, to show ...Show All

• KetChup103821 Vista 5231 and VS 2005 RC1

  Hi All, Has anyone tried installing VS 2005 on Vista 5231 They both seem to use the same .Net 2.0 bits... VS2005 RC1 works fine for me on Vista 5231. I tried and all I get is a big fat error. ...Show All

• basquini Object reference not set to an instance of an object

  I receive this error, when try to see the design of my workflow and if I try to execute my asp.net app, an exception with the same error is returned when tries to Start the runtime . My workflow and my app works well until I have done small update but also if delete these updates, my workflow doesn't work. My workflow is a state machine con code separation ome. At last, if I try to create a new state machine workfow project in a blank solution a ...Show All

• Ms Rain Production

  Is this beta release of wwf stable enought to develop and deploy to production environments   PS: I need to develop a workflow application... now! ;)   thanks! Can u remind when it is scheduled to have license Hi, WIndows Workflow Foundation does not still have a go live license associated with it which means you cannot run applications built using WWF in production as of n ...Show All

• mystical Where is the WAIK?

  I keep reading that the WAIK is one of the updated things in the 5308 build. I have looked everywhere and I can't find an install for it. Does anyone know where I might find it Thanks. I tried to get to Connect but the Passport sign in is down. I did find another article on the release of the WAIK with release notes. I'll just sit tight and wait for MS to fix the Connect site. ...Show All

• michael fz Which style should I use for such workflow?

  I have a workflow working like this: It is basically linear from activity 1 to activity 2, activity 2 to activity 3, ....activity n-1 to activity n . But it is possible from activity n to go back to activity n-1. Is there a simple way to handle this in WWF framework Thanks, Chester Thanks. It seems WWF is not good solution to my problem. Chester Arjun ...Show All

• calloatti SimpleExpenseReport

  Dear all, I tried to follow the instructions from the Windows SDK's Windows Workflow Foundation Tutorial section in order to create a sequential workflow sample. However, I got some trouble: For VB version: I got an error when try to compile code included in Exercise 3, task 1: Error 1 :Handles clause requires a WithEvents variable defined in the containing type or one of its base types. The line cause error is: Private Sub ...Show All

• Chrisky CallExternalActivity Vs. CodeActivity calling methods on class instancesCallExternalMethodActivity

  I can do the same things by using either a CallExternalMethodActivity or by using a code activity and calling a method on some class. Is there any guidance on when one should use either mechanism Regards, Manish If you just need to call some arbitrary code that does not need to interact with any variables or state in the host application then it is appropriate to call a method. If you need to interact with the host application, then ...Show All

• Jeremy Holt Workflow Designer Rules Support

  Hi, I'm in the process of trying to setup a demonstration application which shows an example of workflow and rules management. I need to basically setup a workflow, set some properties, then run the workflow from the designer. Part of this demo include the use of an IfElse activity and a Policy activity which link with the rules engine portions. I've trundled through the examples and the current samples get things about 75% of the way there, an ...Show All

• Steve Cronk interactive services

  We have an existing interactive app that performs communication between the UI and a Windows service (both directions) via windows messaging and the manipulation of the interactive desktop. Our service creates a window in winsta0/default. The UI is running in winsta0/default. Yet, on Vista, the UI fails using FindWindow() to get the service's window handle. I've verified at runtime that both the thread creating the service's window and the ...Show All

• jskim136494 Parameters

  hi all, i have a sequential workflow (with code seperation) and i want to start the workflow with a set of parameters. question #1 is: how can i define parameters and start the workflow with these parameters question #2: assuming the workflow consists of custom activities only and not the first, but, lets say, the 3rd activity needs the parameters the workflow was started with. how can i access the workflow-parameters from an activit ...Show All

• Greg3055 warning C4312

  Hi, i am getting warning C4312 for following line: pFrame=(PDWORD)pContext->Ebp; where pFrame is declared as follows: PDWORD pFrame; and pContext as: PCONTEXT pContext; i am building 32-bit binaries with /WP64 flag on. i read msdn page for warning C4312. it suggests changing datatype but how cam i change types for DWORD and PDWORD i guess they are from system. Thanks, Chanakya It is more a proble ...Show All

• princessjiang About persistence, IEventActivity, Transactions and correlations

  Hi, I have a bounch of questions. 1. Persitance The activity can be adorned with the [PersistOnClose] attribute. What happens in the following scenario: - we have a sequential workflow with 2 activities: A1 followed by A2 - activity A1 is adored with the [PersistOnClose] - A1 finishes executing and moves to Closed state - the runtime persists the activity A1 - the computer crashes - after the computer is restarted, the workflow hosts is s ...Show All