Interface for a class AggregateColumn
Defines the column name to display the aggregate value. If
columnName is not defined,
field name value will be assigned to the
Defines a function to calculate custom aggregate value. The
type value should be set to
To use custom aggregate value in the template, use the key as
Total aggregation: The custom function will be called with the whole data and the current
Group aggregation: This will be called with the current group details and the
Defines the column name to perform aggregation.
Defines the footer cell template as a string for the aggregate column.
type name should be used to access aggregate values inside the template.
Format is applied to a calculated value before it is displayed.
Gets the format from the user, which can be standard or custom
Defines the aggregate type of a particular column.
To use multiple aggregates for single column, specify the
type as array.
Types of aggregate are,
customto use custom aggregation.