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Resolved SnapDevelop Datastore: populating two datawindows with one call

  1. How-to
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  1. Thomas Rolseth
    Thomas Rolseth
  2. SnapObjects
  3. Monday, 16 September 2019 18:30 PM UTC

I'm using the datastore model of SnapDevelop in a web api to populate an external datawindow in the client using the ShareData() method.  How would I -- with one restclient call -- populate this multi-row grid datawindow AND also import a single row of data into another 'master' datawindow.  I could do this with two calls using the Retrieve method of the restclient object but I'd like to avoid that if possible.  In other words, is it possible to return a datastore and a json string as part of the response or perhaps by reference?  Possible?

Thanks, Tom

  1. PowerBuilder (Appeon)
  2. REST
  3. SnapDevelop
How would you modify the code from the C# generato...
.NET DataStore with arguments?
Responses (1)
Logan Liu @Appeon
Logan Liu @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 17 September 2019 02:48 AM UTC
  2. SnapObjects
  3. # 1

Hi Tom,

In a Web API project, you can use an IDataPacker object to package multiple types of data elements together and return it in the controller.

For example: Use IDataPacker.AddDataStore() to package the data from a DataStore

https://www.appeon.com/support/documents/appeon_online_help/powerbuilder/api_reference/PowerBuilder.Data/DataStoreExtensions/Method/AddDataStore1.html

Then use the JsonPackage object in the PB client to receive the JSON data (Response Body) and call JsonPackage.GetValueToDataWindow() or JsonPackage.GetJsonString() to import the data into DataWindows.

Regards,

Logan

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