Expandable Grid

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Is there a way to show related data expandable in a grid? For example a list of customers with a [+] sign to expand the orders per customer? Maybe a widget? The simple tree grid from the appstore works the otherway around.
asked
3 answers
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You should have a look at the dataviewlist in the appstore

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Then reverse your association or use a helper assocation?

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Solved it with a listening grid.

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