RuleStringComparisonAttribute(String, String, StringComparisonType, String) Constructor

Initializes a new instance of the RuleStringComparisonAttribute class.

Namespace: DevExpress.Persistent.Validation
Assembly: DevExpress.Persistent.Base.v18.1.dll
public RuleStringComparisonAttribute(string id, string targetContextIDs, StringComparisonType operatorType, string operandValue)
Type Name Description
String id

A string value representing the current rule identifier. You can pass an empty value as the id parameter. An appropriate identifier will begenerated automatically, and set for the ID property of the Validation | Rules | Rule node in the Application Model.

String targetContextIDs

A string value that specifies a list of identifiers of the contexts when the current rule should be checked. This value is set for the RuleBaseAttribute.TargetContextIDs property.

StringComparisonType operatorType

A StringComparisonType enumeration value that represents the operator type to be used when comparing string values.

String operandValue

A string value that represents the value to be compared with the target property's value.

If you are going to set a custom message template instead of a default one, use a constructor with the messageTemplate parameter.