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I have a scenario where the grouping grid is bound to a collection which a child collection.
A GridRelationDescriptor is added using the public property of the child collection to create the hierarchy.
The grid builds out correctly, however when I attempt to query the selected records of the grid I can only retrieve the selected rows of the top-level.
The grid is set to have the MultiExtended selection mode as well as the GridSelectionFlags set to None as per some other examples posted.
Below are a list of properties interrogated and the value returned:
grid.Table.SelectedRecords.Count = 1 (Top level selected record, this is correct).
grid.Table.RelatedTables.Count = 1 (There is only 1 sub collection, this is correct).
grid.Table.RelatedTables[0].SelectedRecords.Count = 0 (This is incorrect, several are selected)
grid.Table.RelatedTables[0].Records.Count = 0 (This is definitely incorrect, there are items in the collection which are displayed as rows)
I have seen other samples provided using data sets, however using object entities the same methodologies are not working.