I am stuck with module 6.8.2

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i need to nest a Registration list view inside a TrainingEvent data view, to only show those registrations that belong to this training event. i added a new full width row to the page. Dragged a new data view into the new row, and wanted to connect this data view to the TrainingEvent entity. However, when i select entity TrainingEvent,  the select button is in grey. also, the Add button has a number 1 on the top? thanks for answering:-)
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1 answers
3

Hi Fang Sun,

You must be use ListView widget.

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