Bind AggregateResultsList with GridViewGroupHeaderCell on GroupHeaderRow control template

[Praveenraj]

Hi, I'm trying to write a control template for GroupHeaderRow, But not sure how to bind AggregateResultsList with GridViewGroupHeaderCell

RadGridView have settings with GroupRenderMode="Flat" and ColumnAggregatesAlignment="NextToGroupKey"

Control template for GroupHeaderRow taken from Reference : Extracting GroupHeaderRow template in UI for WPF | Telerik Forums

I'm expecting GroupHeaderRow with aggregates in GridViewGroupHeaderCell against each column. But my control template looks like ColumnAggregatesAlignment property has "NoAlignment" value.