Validator Class

Provides access to the Validation Rules declared in an XAF application.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v18.2.dll

Declaration

C#

public static class Validator

VB.NET

Public Module Validator

Remarks

The Validator class exposes a single Validator.RuleSet public property. This property returns a RuleSet object representing all the Validation Rules declared in an application. This object’s methods allow you to perform validation in custom Contexts. To learn how to do this, refer to the Implement Custom Contexts topic.

Related GitHub Examples

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

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#

XAF_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/CS/DXSample.Module/ImmediateValidationController.cs#L55

if (resultsHighlightController != null) {
    RuleSetValidationResult result = Validator.RuleSet.ValidateAllTargets(ObjectSpace, targets, DefaultContexts.Save);
    if (result.ValidationOutcome == ValidationOutcome.Error || result.ValidationOutcome == ValidationOutcome.Warning || result.ValidationOutcome == ValidationOutcome.Information) {

VB.NET

XAF_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/VB/DXSample.Module/ImmediateValidationController.vb#L60

If resultsHighlightController IsNot Nothing Then
    Dim result As RuleSetValidationResult = Validator.RuleSet.ValidateAllTargets(ObjectSpace, targets, DefaultContexts.Save)
    If result.ValidationOutcome = ValidationOutcome.Error OrElse result.ValidationOutcome = ValidationOutcome.Warning OrElse result.ValidationOutcome = ValidationOutcome.Information Then

Inheritance

Object

Validator