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CriteriaOperatorValidator Class

Enables you to provide custom validation to the Expression Editor.

Namespace: DevExpress.DataAccess.ExpressionEditor

Assembly: DevExpress.DataAccess.v18.1.dll

Declaration

public class CriteriaOperatorValidator :
    ErrorsEvaluatorCriteriaValidator

Remarks

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.

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

Inheritance

Object
DevExpress.Data.BoundPropertyList
ErrorsEvaluatorCriteriaValidator
CriteriaOperatorValidator
See Also