Hi Everyone,
I am exploring AdvancedDataGrid's Grouping Collection and has been
experiencing a problem which is very inconsistent. This problem occurs
when I change the data provider of the advanced data grid. Script
error that I get
TypeError: Error #1010: A term is undefined and has no properties.
at mx.controls.listClasses::AdvancedListBase/
makeRowsAndColumnsWithExtraRows()
at mx.controls.listClasses::AdvancedListBase/
updateDisplayList()
at mx.controls::AdvancedDataGridBaseEx/updateDisplayList()
at mx.controls::AdvancedDataGrid/updateDisplayList()
at mx.controls.listClasses::AdvancedListBase/
validateDisplayList()
at mx.managers::LayoutManager/validateDisplayList()
at mx.managers::LayoutManager/doPhasedInstantiation()
at Function/http://adobe.com/AS3/2006/builtin::apply()
at mx.core::UIComponent/callLaterDispatcher2()
at mx.core::UIComponent/callLaterDispatcher()
I tried looking into the code of AdvancedListBase and found error is
happening because of a attribute verticalScrollPosition which has a
value -1.
Anyone has any idea on why this error will happen? Any help will be
much appreciated.
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