Attachments from map services

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09-07-2016 10:46 AM
MarkCederholm
Regular Contributor II

Is there a way to query attachments from a map service (as opposed to a feature service)?  I can create and initialize a ServiceFeatureTable OK, but when I try to query attachments, I get the dreaded "Row not found" exception.  I can get to the attachments directly through REST calls, so I know it's not a data or service issue.

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Espen_RøvikLarsen
New Contributor II

I had this problem too. I would get the same error when calling "QueryAttachmentsAsync". Solution was to call "QueryAsync" first getting the feature itself (it has something to do with internal caching in the API I guess).

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Espen_RøvikLarsen
New Contributor II

I had this problem too. I would get the same error when calling "QueryAttachmentsAsync". Solution was to call "QueryAsync" first getting the feature itself (it has something to do with internal caching in the API I guess).

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MarkCederholm
Regular Contributor II

That did the trick.  Normally I query features in a separate block of code, and the memory context must make a difference.  Thanks for the tip!

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