ValidateCellEventArgs.ValidationException Property

Gets or sets the error message that is displayed if the cell has failed validation.

Namespace: DevExpress.Xpf.PropertyGrid

Assembly: DevExpress.Xpf.PropertyGrid.v18.2.dll

Declaration

C#

public Exception ValidationException { get; set; }

VB.NET

Public Property ValidationException As Exception

Property Value

Type	Description
Exception	A Exception object that contains the error message.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ValidationException 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-validate-data-in-propertygridcontrol-t324548/CS/MainWindow.xaml.cs#L21

    if (e.NewValue == null || string.IsNullOrEmpty(e.NewValue.ToString()))
        e.ValidationException = new System.Exception("A cell cannot be empty");
}

VB.NET

how-to-validate-data-in-propertygridcontrol-t324548/VB/MainWindow.xaml.vb#L23

If e.NewValue Is Nothing OrElse String.IsNullOrEmpty(e.NewValue.ToString()) Then
    e.ValidationException = New System.Exception("A cell cannot be empty")
End If