RowSummaryExistsArgs.Exists Property

Gets or sets whether to calculate and display the summary value.

Namespace: DevExpress.Mvvm.Xpf

Assembly: DevExpress.Mvvm.v21.2.dll

NuGet Packages: DevExpress.Mvvm, DevExpress.Uwp.Controls, DevExpress.Win.Design, DevExpress.WinUI

Declaration

C#

public bool Exists { get; set; }

VB.NET

Public Property Exists As Boolean

Property Value

Type	Description
Boolean	true to calculate and display the summary value; otherwise, false.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Exists property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-data-grid-display-group-summaries/CS/DisplayGroupSummaries_MVVM/MainViewModel.cs#L56

public void CustomSummaryExistsCommand(RowSummaryExistsArgs args) {
    args.Exists = args.GroupPath[0].GroupLevel == 0;
}

VB.NET

wpf-data-grid-display-group-summaries/VB/DisplayGroupSummaries_MVVM/MainViewModel.vb#L40

Public Sub CustomSummaryExistsCommand(ByVal args As RowSummaryExistsArgs)
    args.Exists = args.GroupPath(0).GroupLevel = 0
End Sub