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Forums » .NET » BizTalk »
Xpath and distinguished fields not working
Posted Date: 29 Aug 2009 Posted By: Sam Member Level: Bronze Points: 1
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Dear All,
I have spent a couple days on this problem with no resolution, I just need to retrieve the value of an element in one of my orchestrations, I have done this in other projects in the solution with xpath by doing this and this is what I am doing
CurrentDateString = System.Convert.ToString(xpath(BankRefundCutOffRQ, "string(/*[local-name()='SADAD' and namespace-uri()='']/*[local-name()='BankSvcRq' and namespace-uri()='']/*[local-name()='BankRefundCutOffRq' and namespace-uri()='']/*[local-name()='PrcDt' and namespace-uri()=''])"));
I don't understand why it works in other projects with other messages and not here, I copied the namespace and path from the schema by clicking on the element itself.
I also tried to distinguish the field and call it using (I converted to string because the element is defined as DateTime)
CurrentDateString = System.Convert.ToString(BankRefundCutOffRQ.BankSvcRq.BankRefundCutOffRq.PrcDt);
the funny thing is this call to count the same element which I am trying to retreive returns the correct value (returns 1)
recordCount = System.Convert.ToString(xpath(BankRefundCutOffRQ, "count(/*[local-name()='SADAD' and namespace-uri()='']/*[local-name()='BankSvcRq' and namespace-uri()='']/*[local-name()='BankRefundCutOffRq' and namespace-uri()='']/*[local-name()='PrcDt' and namespace-uri()=''])"));
at one point I thought maybe I had a missing assembly reference, I checked the other projects and they reference Microsoft.BizTalk.GlobalPropertySchemas
so I added that to my project with no luck..Please HELP! I can't believe so much time was wasted on this silly problem
My XML message I am using looks like this
- <SADAD>
- <SignonRq>
<ClientDt>2009-08-22T12:28:53</ClientDt>
- <SignonProfile>
<Sender>001</Sender>
<Receiver>RI</Receiver>
<MsgCode>RCUTRQ</MsgCode>
</SignonProfile>
</SignonRq>
- <BankSvcRq>
- <Status>
<StatusCode>0</StatusCode>
<ShortDesc>Success</ShortDesc>
<Severity>Info</Severity>
</Status>
<RqUID>71B82E65-F40B-30EC-E043-0A10113730EC</RqUID>
- <BankRefundCutOffRq>
<PrcDt>2009-08-21T00:00:00</PrcDt>
</BankRefundCutOffRq>
</BankSvcRq>
</SADAD>
Finally here is the error I got, I get the same exact error no mater if I use xpath or the distinguished fields
Description:
Uncaught exception (see the 'inner exception' below) has suspended an instance of service 'MOI.MOI_BankRefundCutoffOrcn(06eed797-301b-d3ce-fa5f-311542544d0b)'.
The service instance will remain suspended until administratively resumed or terminated.
If resumed the instance will continue from its last persisted state and may re-throw the same unexpected exception.
InstanceId: 7f335f72-eccf-463f-bedb-5154f82e0722
Shape name: Construct Date
ShapeId: 804d2a5d-f34f-42fa-acf5-cc60d56665a5
Exception thrown from: segment 1, progress 58
Inner exception: Object reference not set to an instance of an object.
Exception type: NullReferenceException
Source: Microsoft.XLANGs.Engine
Target Site: System.Object XPathLoad(Microsoft.XLANGs.Core.Part, System.String, System.Type)
The following is a stack trace that identifies the location where the exception occured
at Microsoft.XLANGs.Core.Part.XPathLoad(Part sourcePart, String xpath, Type dstType)
at MOI.MOI_BankRefundCutoffOrcn.segment1(StopConditions stopOn)
at Microsoft.XLANGs.Core.SegmentScheduler.RunASegment(Segment s, StopConditions stopCond, Exception& exp)
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