CustomSummaryExistEventArgs.Exists Property

Gets or sets whether the summary value should be calculated and displayed.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v19.1.dll

Declaration

C#

public virtual bool Exists { get; set; }

VB.NET

Public Overridable 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#

how-to-display-group-summaries-e1637/CS/DXGrid_DisplayGroupSummaries/Window1.xaml.cs#L27

private void grid_CustomSummaryExists(object sender, CustomSummaryExistEventArgs e) {
    e.Exists = e.GroupLevel == 0;
}

VB.NET

how-to-display-group-summaries-e1637/VB/DXGrid_DisplayGroupSummaries/Window1.xaml.vb#L23

Private Sub grid_CustomSummaryExists(ByVal sender As Object, ByVal e As CustomSummaryExistEventArgs)
    e.Exists = e.GroupLevel = 0
End Sub