Canvas: 502 OData Azure

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Posted on by KoBe321

I'm developing a custom component for Canvas apps.

The component is based on Grid component

I've created an app tied to my "Customer" table.

When I try to tie this table to my component, I get the following error:

Unexpected Exception : System.NotImplementedException: Unsupported OData $select Item
↵ at Microsoft.Azure.Connectors.Common.Mashup.Utilities.ODataToSqlSelectItemTranslator.NotYetImplemented(SelectItem item) in X:\bt\1026498\repo\src\source\Mashup\Sql\Native\Utilities\ODataToSqlSelectItemTranslator.cs:line 21
↵ at Microsoft.Azure.Connectors.Common.Mashup.Utilities.ODataToSqlSelectItemTranslator.Translate(WildcardSelectItem item) in X:\bt\1026498\repo\src\source\Mashup\Sql\Native\Utilities\ODataToSqlSelectItemTranslator.cs:line 27
↵ at Microsoft.Azure.Connectors.Sql.Extensions.QueryOptionsExtensions.ToSelectString(IEnumerable`1 selectedItems) in X:\bt\1026498\repo\src\source\Mashup\Sql\Native\Extensions\QueryOptionsExtensions.cs:line 128
↵ at Microsoft.Azure.Connectors.Sql.Extensions.QueryOptionsExtensions.ToSqlString(QueryOptions options, String table, Int64 pageSize) in X:\bt\1026498\repo\src\source\Mashup\Sql\Native\Extensions\QueryOptionsExtensions.cs:line 66
↵ at Microsoft.Azure.Connectors.Mashup.Sql.SqlNativeAdapter.<ListItemsAsync>d__23.MoveNext() in X:\bt\1026498\repo\src\source\Mashup\Sql\Native\Adapter\SqlNativeAdapter.cs:line 290
↵ inner exception: Unsupported OData $select Item

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Power Apps Pro Dev & ISV

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v-yutliu-msft Microsoft Employee on at

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Hi @KoBe321 ,

I think you should check PowerApps component framework's limitations:

1)Only the field type of components are supported in the experimental preview for canvas apps and not the dataset type components.

2)Common Data Service dependent APIs, including WebAPI along with few other APIs, are not available for this experimental preview.

3)Support for shared libraries across components using library nodes in the component manifest is not yet supported.

4)Defining multiple components in a single manifest file is not yet supported.

5)Calling out processes and actions are not supported yet.

6)Calling one component from another code component is not yet supported.

7)Currently font resource (.tff) is not yet supported.

Here's a doc about it in details for your reference:

https://docs.microsoft.com/en-us/powerapps/developer/component-framework/limitations

Here's a doc about troubleshooting of custom component that may also help you:

https://docs.microsoft.com/en-us/powerapps/developer/component-framework/updating-existing-controls

Best regards,

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Hemant Gaur Microsoft Employee on at

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Data set work is ready in progress. There was a regression introduced which causes data sets to fail when the app in launched (outside studio preview). web APIs and certain dataset capabilities are under development, if you can share your control code (hemantg@microsoft.com) , we can quick check if this is pending work or a bug.

Hemant

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