By default the DataSources of the Chart and the Grid MVC wrappers expect a different response. The Grid DataSource expects a DataSourceResult and the Chart DataSource expects the collection to be returned directly. It is possible however to use the same action to load the data by using the Custom builder for the Chart DataSource to specify that the data should be loaded from a field with named "Data" e.g.
.Schema(schema => schema
.Transport(transport => transport
.Read(read => read.Action(
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