CriteriaOperatorValidator Class

Enables you to provide custom validation to the Expression Editor.

Namespace : DevExpress.DataAccess.ExpressionEditor

Assembly : DevExpress.DataAccess.v25.2.dll

NuGet Package : DevExpress.DataAccess

Declaration

csharp

public class CriteriaOperatorValidator :
    ErrorsEvaluatorCriteriaValidator,
    ICriteriaWarningsValidator

Public Class CriteriaOperatorValidator
    Inherits ErrorsEvaluatorCriteriaValidator
    Implements ICriteriaWarningsValidator

Use the CriteriaOperatorValidator.Visit method to provide custom expression validation logic.

Use the ErrorsEvaluatorCriteriaValidator.Validate method to validate custom expressions.

For a code sample, see the following example online: How to customize the Expression Editor.

Object DevExpress.Data.BoundPropertyList ErrorsEvaluatorCriteriaValidator CriteriaOperatorValidator