ValidationModule.CustomizeApplicationRuntimeRules Event
Occurs when the ValidationModule.InitializeRuleSet method is invoked.
Namespace: DevExpress.ExpressApp.Validation
Assembly: DevExpress.ExpressApp.Validation.v24.2.dll
NuGet Package: DevExpress.ExpressApp.Validation
#Declaration
public event EventHandler<CustomizeApplicationRuntimeRulesEventArgs> CustomizeApplicationRuntimeRules
#Event Data
The CustomizeApplicationRuntimeRules event's data class is CustomizeApplicationRuntimeRulesEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Application |
Specifies the object providing methods and properties to manage the current application.
Inherited from Customize |
Application |
Specifies validation rules declared via the Application Model. |
Object |
Specifies the Object Space Provider to be used to create Object Spaces for creation of additional validation rules. |
Rules |
Specifies additional validation rules to be used by the application.
Inherited from Customize |
Rule |
Specifies additional validation rule sources to be used by the application.
Inherited from Customize |
#Remarks
Handle this event to create validation rules at run time. Add the required rules to the Rules collection. The following code snippet demonstrates how to create a validation rule at run time, ensuring that an end-user will not be able to save a Contact object unless its Anniversary property is specified.
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Validation;
using DevExpress.Persistent.Validation;
//...
public sealed partial class MyModule : ModuleBase {
ValidationModule validationModule;
public MyModule() {
InitializeComponent();
}
public override void Setup(ApplicationModulesManager moduleManager) {
base.Setup(moduleManager);
validationModule = moduleManager.Modules.FindModule<ValidationModule>();
validationModule.CustomizeApplicationRuntimeRules += OnCustomizeRules;
}
void OnCustomizeRules(object sender, CustomizeApplicationRuntimeRulesEventArgs e) {
RuleRequiredField myRule =
new RuleRequiredField("myRule",
XafTypesInfo.Instance.FindTypeInfo(typeof(Contact)).FindMember("Anniversary"),
ContextIdentifier.Save);
e.Rules.Add(myRule);
}
}