Aggregations Element (List)
SharePoint 2010
Published: May 2010
Contains field references for totals columns or calculated columns — in other words, for fields to which a function is applied.
<Aggregations Value = "Text"> <FieldRef /> ... </Aggregations>
The following example uses the Aggregations element to contain references for a totals column and a calculated column in a datasheet view. The first reference specifies that the Count function is applied to the Title column; the second reference specifies that the Sum function is applied to the Number column.
<View>
...
<Aggregations Value="On">
<FieldRef Name="Title" Type="Count">
<FieldRef Name="Number" Type="Sum">
</Aggregations>
</View>