starting workflow programmatically using SPWorkflowManager.StartWorkflow method

starting workflow programmatically using SPWorkflowManager.StartWorkflow method

• english_d

  What are you passing for parameters Even if your workflow doesn't need parameters you need to pass empty xml elements. Its been a few months since I've done this so I don't remember what the right schema or format is (I seem to remember that it depends on your feature xml definition)
  
  

• schlrobe

  Since this post is specific to SharePoint you should ask your question at on one of the SharePoint forums found at http://www.microsoft.com/office/community/en-us/FlyoutOverview.mspx#15.
  
  

• dimkaz

  Hi Jon,

  Here's my code:

  Dim enc As New System.Text.UTF8Encoding
  Dim buffer As Byte() = enc.GetBytes(TextBox1.Text)
  Dim site As New SPSite(http://PDCDSP02/0500061)
  Dim web As SPWeb = site.OpenWeb
  Dim folder As SPFolder = web.Folders("Inspection")
  Dim file As SPFile = folder.Files.Add("http://PDCDSP02/0500061/Inspection/Test.xml", buffer)

  file.Update()
  Dim item As SPListItem = file.Item
  item.Update()
  Dim manager As SPWorkflowManager = site.WorkflowManager
  Dim workflow As SPWorkflow

  workflow = manager.StartWorkflow(item, item.ParentList.WorkflowAssociations(0), "", True)
  item.Update()

  I don't have an Initiation or Association form so I just pass in "" for the EventData parameter. I'm just not sure why it works sometimes and sometimes it doesn't.

  
  

• George Waters

  I found that in my tests (this was the earlier CTP not the RTM) that not passing XML always caused the workflow to fail. When I attached a debugger to the ASP.NET worker process - the exception related to serialization of the input XML. So I started passing xml with empty element values and that worked.
  
  

• Michael Cummings

  The exception I get is:

  Exception from HRESULT: 0x8102009B

  Here's my stacktrace of the exception:

  at Microsoft.SharePoint.Library.SPRequest.AddWorkflowToListItem(String bstrUrl, String bstrListName, Int32 lItemID, Int32 lItemLevel, Int32 lItemVersion, Guid workflowPackageId, Guid& pWorkflowInstanceId, Guid workflowTaskListId, String bstrStatusFieldInternalName, Int32 lAuthorId)

  at Microsoft.SharePoint.Workflow.SPWorkflowManager.StartWorkflowElev(SPListItem item, SPWorkflowAssociation association, SPWorkflowEvent startEvent, Boolean bAutoStart, Boolean bCreateOnly)

  at Microsoft.SharePoint.Workflow.SPWorkflowManager.<>c__DisplayClass1.<StartWorkflow>b__0()

  at Microsoft.SharePoint.SPSecurity.CodeToRunElevatedWrapper(Object state)

  at Microsoft.SharePoint.SPSecurity.<>c__DisplayClass4.<RunWithElevatedPrivileges>b__2()

  at Microsoft.SharePoint.Utilities.SecurityContext.RunAsProcess(CodeToRunElevated secureCode)

  at Microsoft.SharePoint.SPSecurity.RunWithElevatedPrivileges(WaitCallback secureCode, Object param)

  at Microsoft.SharePoint.SPSecurity.RunWithElevatedPrivileges(CodeToRunElevated secureCode)

  at Microsoft.SharePoint.Workflow.SPWorkflowManager.StartWorkflow(SPListItem item, SPWorkflowAssociation association, SPWorkflowEvent startEvent, Boolean bAutoStart, Boolean bCreateOnly)

  at Microsoft.SharePoint.Workflow.SPWorkflowManager.StartWorkflow(SPListItem item, SPWorkflowAssociation association, String eventData, Boolean isAutoStart)

  at WinAppTest.Form1.Button1_Click(Object sender, EventArgs e) in C:\Projects\pdc\R & D\Somsong P\WinAppTest\WinAppTest\Form1.vb:line 22

  The weird part is, when I get this exception everything works as it should. When there is no exception the workflow doesn't start properly.

  
  
• starting workflow programmatically using SPWorkflowManager.StartWorkflow method