NAV timestamps for high performance integration

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Posted on by Erik Boström

Hello,

I've got two questions.

I was wondering if there is a way to access timestamps on Service Order Allocations (table 5950) through web services in NAV. I've enabled the Web Service for Page 6001 Service Order Allocations and with that I can list and update Allocations. However, I want a high performance way to detect updated Allocations and checked in the SQL database table and found the timestamp field. How do modify the Web Service so it displays the timestamp field?

I've found that timestamps are available if you integrate with C/Front. Is that my only option?

http://www.rapidionline.com/blog/bid/75943/MS-Dynamics-NAV-Integration-How-to-Access-NAV

When I try to reallocate a Service Order Item to another resource in the RoleTailor client I get the dialog "Reallocation Entry Reasons". That seems to be the problem when I try to reallocate a Service Order Item with the web service and get the exception "Client callback (such as showing Pages) is not supported when executing custom Web services. ENU=Reallocation Entry Reasons"

How do I avoid this exception and reallocate properly?

Best regards

Erik

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Erik Boström 40 on at

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Re: NAV timestamps for high performance integration

Thanks for the answer about GUIALLOWED!

To solve the timestamp issue I use triggers to populate a new table with the updated records in Service Order Allocations.
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Scott Wright on at

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Re: NAV timestamps for high performance integration

Hello Erik,

Thank you for posting your questions to the Microsoft Dynamics NAV Forums.

1) The timestamp column on NAV table within SQL Server is used internally to mimic the versioning principle from the Navision Native database. This means that you won't find the timestamp field show up on any table descriptions and C/AL does not have access to this field.

2) To suppress dialog windows with a NAS or web service you can use guiallowed conditional statements. You'll need to review the code and add them around the prompts, such as the 'Reallocation Entry Reasons' in this case.

GUIALLOWED Function

msdn.microsoft.com/.../dd339064.aspx

Hope this information helps and please let me know if there are any other questions.

Kindest Regards,

Scott Wright

Partner Online Technical Community

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