<kendo:dataSource-aggregateItem>
The aggregates which are calculated when the data source populates with data.The supported aggregates are: "average" - Only for Number.; "count" - String, Number and Date.; "max" - Number and Date.; "min" - Number and Date. or "sum" - Only for Number..
Example
<kendo:dataSource-aggregate>
<kendo:dataSource-aggregateItem></kendo:dataSource-aggregateItem>
</kendo:dataSource-aggregate>
Configuration Attributes
aggregate java.lang.String
The name of the aggregate function.The supported aggregates are: "average"; "count"; "max"; "min" or "sum".
Example
<kendo:dataSource-aggregateItem aggregate="aggregate">
</kendo:dataSource-aggregateItem>
field java.lang.String
The data item field which will be used to calculate the aggregates.
Example
<kendo:dataSource-aggregateItem field="field">
</kendo:dataSource-aggregateItem>