e-aggregate directive represent a aggregate row of the Angular TreeGrid.
It must be contained in a TreeGrid component(ejs-treegrid).
<ejs-treegrid [dataSource]='data' allowPaging='true' allowSorting='true'>
<e-columns>
<e-column field='ID' width='100'></e-column>
<e-column field='name' headerText='Name' width='100'></e-column>
</e-columns>
<e-aggregates>
<e-aggregate>
<e-columns>
<e-column field='ID' type='Min'></e-column>
</e-columns>
</e-aggregate>
</e-aggregates>
</ejs-treegrid> any
Configures the collection of aggregate columns.
Defaults to []
any
Determines whether to display child summaries for each parent row.