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InfinityX1-Visitor
1-Visitor
April 5, 2019
Question

showing no data when called"queryStreamData" dynamically for a stream.

  • April 5, 2019
  • 1 reply
  • 1664 views

I'm trying to dynamically show stream data of various stream on grid widget. I used a dropdownlist which is connected to getImplementingThing of stream template. I'm using dynamic property of stream template with service name queryStreamData. still its not working..? Is I'm doing somewhere wrong.? please help me with this.

screenshots are attached with this massage.

1 reply

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PaiChung22-Sapphire I
22-Sapphire I
April 5, 2019

If you are querying from ValueStreams then you must use one of the query...PropertyHistory services

if you are querying a regular Stream then there is Get or QueryStreamEntriesWithData

I
InfinityX1-VisitorAuthor
1-Visitor
April 6, 2019

 Thanks PiaChang for your reply. 

I tried both services but its not working. When try it for single stream it work fine but when dynamically using thingtemplate of stream it does not. I want to query data of different streams in single grid widget by selecting name of stream from a dropdown list.

P
PaiChung22-Sapphire I
22-Sapphire I
May 13, 2019

Can  you show how you have it set up and the behavior that you get right now?

Also if not yet the case, can you try with the grid set to 'showallcolumns'

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