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V24.2
.NET Framework 4.6.2+

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IRuleSet.ValidateAllTargets(IObjectSpace, IEnumerable) Method

Silently (without raising the RuleSet.ValidationCompleted event and throwing the ValidationException) validates multiple targets and returns the result.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v24.2.dll

#Declaration

RuleSetValidationResult ValidateAllTargets(
    IObjectSpace targetObjectSpace,
    IEnumerable targets
)

#Parameters

Name Type Description
targetObjectSpace IObjectSpace

An IObjectSpace used by validation targets.

targets IEnumerable

The list of objects to check.

#Returns

Type Description
DevExpress.Persistent.Validation.RuleSetValidationResult

The result of the RuleSet validation.

#Remarks

The following code snippet demonstrates how to use this method to validate objects when an Action is executed:

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.Validation;
// ...
public partial class CustomValidationController : ViewController {
    public CustomValidationController() {
        SimpleAction validationAction = new SimpleAction(this, "ValidateBeforeSave", PredefinedCategory.Edit);
        validationAction.Execute += ValidationAction_Execute;
    }
    private void ValidationAction_Execute(object sender, SimpleActionExecuteEventArgs e) {
        RuleSetValidationResult validationResult = Validator.GetService(Application.ServiceProvider)
            .ValidateAllTargets(ObjectSpace, ObjectSpace.GetObjectsToSave(false));
        ValidationResults obj = new ValidationResults(validationResult, base.Application.Model);
        bool flag = validationResult.State != ValidationState.Invalid;
    }
}
See Also