Re: Passing a parameter to startworkflow

Patrick Halstead — Sun, 15 Sep 2013 23:05:32 GMT

Cool. Glad to see you got it working and thanks for posting the fix.

Re: Passing a parameter to startworkflow

j-red — Thu, 12 Sep 2013 15:29:29 GMT

OK I worked it out. I needed to explicitly add the namespaces for d: and dfs: to the namespace manager.

In other parts of my form it was working without having to add the namespace, but I think because I was messing with it with the workflow namespace it needed to be added like this:

nsmgr.AddNamespace("dfs", "http://schemas.microsoft.com/office/infopath/2003/dataFormSolution") nsmgr.AddNamespace("d", "http://schemas.microsoft.com/office/infopath/2009/WSSList/dataFields")

doc.DocumentElement.SelectSingleNode("/dfs:myFields/dfs:dataFields/d:SharePointListItem_RW/d:RequestID", nsmgr).InnerText = RequestID

'Trigger the workflow start

Dim workflowNode As XmlNode = workflow.StartWorkflow(docUrl, templateID, doc.DocumentElement)

I got the namespaces from the doc.innerxml

Jarred

Passing a parameter to startworkflow

j-red — Tue, 10 Sep 2013 20:21:47 GMT

I have a workflow that I would like to trigger from my Infopath 2007 form code. It has an Initiation parameter called RequestID that I would like to pass a value from my code.

My code submits the data to a SQL db via a web service and returns the RequestID which I store in a variable.

I can trigger the workflow without the parameter, but I need help updating that parameter with my variable.

Here is the code that gets my workflow information and triggers the startworkflow:

Public Shared Sub StartWorkflow(ByVal siteUrl As String, ByVal docUrl As String, ByVal workflowName As String, ByVal RequestID As Integer)

'Call Workflow.asmx Web Reference

Dim workflow As New Workflow.asmx.Workflow() workflow.Url = siteUrl & Convert.ToString("/_vti_bin/workflow.asmx")

'Set Credentials to Network Cache (Whichever user is currently logged in)

workflow.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials

'Get the available workflows for the document library

Dim assocNode As XmlNode = workflow.GetTemplatesForItem(docUrl)

Dim nsmgr As New XmlNamespaceManager(assocNode.OwnerDocument.NameTable)

nsmgr.AddNamespace("wf", "http://schemas.microsoft.com/sharepoint/soap/workflow/")

Dim doc As New XmlDocument()

Dim templateID As New Guid()

Dim workflowFound As Boolean = False

'Loop through the available workflows to find the relevant one

Dim rows As XPathNodeIterator = assocNode.CreateNavigator().[Select]("//wf:WorkflowTemplate", nsmgr) While rows.MoveNext()

If rows.Current.GetAttribute("Name", "").ToLower() = workflowName.ToLower() Then

doc.LoadXml(rows.Current.SelectSingleNode("wf:AssociationData/wf:string", nsmgr).Value)

Dim idNode As XPathNavigator = rows.Current.SelectSingleNode("wf:WorkflowTemplateIdSet", nsmgr)

templateID = New Guid(idNode.GetAttribute("TemplateId", ""))

workflowFound = True

Exit While

End If

End While

The InnerXML for doc includes the Parameter I set up in the workflow:

<dfs:myFields>
<dfs:queryFields />
<dfs:dataFields>
  <d:SharePointListItem_RW>
   <d:RequestID>0</d:RequestID>
  </d:SharePointListItem_RW>
</dfs:dataFields>
</dfs:myFields>

But when I try and change the node inner text it doesn't recognise d:RequestID

nsmgr = New XmlNamespaceManager(assocNode.OwnerDocument.NameTable)

nsmgr.AddNamespace("my", "http://schemas.microsoft.com/office/infopath/2003/myXSD")

Dim xmlRoot As XmlElement = doc.DocumentElementxmlRoot.SelectSingleNode("d:RequestID", nsmgr).InnerText = RequestID

Dim workflowNode As XmlNode = workflow.StartWorkflow(docUrl, templateID, doc.DocumentElement)

The error I'm getting is namespace prefix d: is not defined. Have I got the wrong namespace?

Does the workflow expect the same format as above? How can I write to <d:RequestID>? I feel that I'm missing something quite simple here, but I have no idea what that may be.

I need to send this parameter as it will direct a user to a different form with the request data pre-filled from the DB based on the requestID parameter.
Jarred