EditingFieldValidationEventArgs.IsValid Property

Specifies whether the edit field value is valid.

Namespace: DevExpress.Xpf.Printing

Assembly: DevExpress.Xpf.Printing.v25.1.dll

NuGet Package: DevExpress.Wpf.Printing

Declaration

C#

public bool IsValid { get; set; }

VB.NET

Public Property IsValid As Boolean

Property Value

Type	Description
Boolean	True if the value is valid; otherwise, false.

Remarks

Set the IsValid value to false to cancel the editor close action. The editor displays an error icon with a tooltip, and keeps the focus, forcing the user to correct the value.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the IsValid 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#

reporting-wpf-mvvm-how-to-validate-editing-fields/CS/ViewModel.cs#L31

} catch (Exception e) {
    args.IsValid = false;
    args.ErrorMessage = e.Message;

VB.NET

reporting-wpf-mvvm-how-to-validate-editing-fields/VB/ViewModel.vb#L35

Catch e As Exception
    args.IsValid = False
    args.ErrorMessage = e.Message