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View this topic on docs.devexpress.com (Learn more)

GridControl.CustomSummaryExists Event

Enables you to specify which summaries should be calculated and displayed.

Namespace:DevExpress.UI.Xaml.Grid
Assembly:DevExpress.UI.Xaml.Grid.v18.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type CustomSummaryExistEventArgs containing data related to this event.

The following CustomSummaryExistEventArgs properties provide information specific to this event.
Property Description
Exists Gets or sets whether the summary value should be calculated and displayed.
GroupLevel Gets the nesting level of the group whose summary value is being calculated.
GroupRowHandle Gets a value identifying the group row whose summary value is about to be calculated.
IsGroupSummary Gets whether a group summary value is about to be calculated.
IsTotalSummary Gets whether a total summary value is about to be calculated.
Item Gets a summary item whose value is about to be calculated.

Expanded Remarks

The event is raised before a particular summary value is calculated, allowing cancellation of the calculation. To cancel a summary value calculation, set the event parameter's CustomSummaryExistEventArgs.Exists parameter to false.

Expanded See Also

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