ValidationModule.EnableRuntimeRuleDiscovery Property

Specifies if the Validation Module generates Rules from custom persistent Sources at runtime.

Namespace: DevExpress.ExpressApp.Validation

Assembly: DevExpress.ExpressApp.Validation.v23.2.dll

NuGet Package: DevExpress.ExpressApp.Validation

Declaration

C#

[DefaultValue(true)]
public bool EnableRuntimeRuleDiscovery { get; set; }

VB.NET

<DefaultValue(True)>
Public Property EnableRuntimeRuleDiscovery As Boolean

Property Value

Type	Default	Description
Boolean	true	true if the Validation Module generates Rules from custom persistent Sources at runtime; otherwise, false.

Remarks

The Validation Module automatically collects persistent Validation Rule Sources and Rules when you start an application. Persistent Validation Rule Sources and Rules are persistent classes that implement the IRuleSource and IRule interfaces. You can disable automatic collection of persistent Rules and Rule Sources and add custom proxy Rule Sources with different behavior. The following code demonstrates how to do this in the platform-agnostic Module:

File: MySolution.Module\Module.cs(.vb).

C#

using DevExpress.ExpressApp.Validation;
// ...
public sealed partial class MySolutionModule : ModuleBase {
    //...
    public override void Setup(ApplicationModulesManager moduleManager) {
        base.Setup(moduleManager);
        //...
        ValidationModule _validationModule = moduleManager.Modules.FindModule<ValidationModule>();
        _validationModule.EnableRuntimeRuleDiscovery = false;
        _validationModule.CustomizeApplicationRuntimeRules += ValidationModule_CustomizeApplicationRuntimeRules;
    }
    private void ValidationModule_CustomizeApplicationRuntimeRules(object sender, CustomizeApplicationRuntimeRulesEventArgs e) {
        IRuleSource myRuleSource = new MyRuleSource();
        e.RuleSources.Add(myRuleSource);
    }
}

VB.NET

Imports DevExpress.ExpressApp.Validation
' ...
Partial Public NotInheritable Class MySolutionModule
    Inherits ModuleBase
    '...
    Public Overrides Sub Setup(ByVal moduleManager As ApplicationModulesManager)
        MyBase.Setup(moduleManager)
        '...
        Dim _validationModule As ValidationModule = moduleManager.Modules.FindModule(Of ValidationModule)()
        _validationModule.EnableRuntimeRuleDiscovery = False
        AddHandler _validationModule.CustomizeApplicationRuntimeRules, AddressOf ValidationModule_CustomizeApplicationRuntimeRules
    End Sub
    Private Sub ValidationModule_CustomizeApplicationRuntimeRules(ByVal sender As Object, ByVal e As CustomizeApplicationRuntimeRulesEventArgs)
        Dim myRuleSource As IRuleSource = New MyRuleSource()
        e.RuleSources.Add(myRuleSource)
    End Sub
End Class