RuleStringComparisonAttribute(String, DefaultContexts, StringComparisonType, String, String) Constructor

Initializes a new instance of the RuleStringComparisonAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v18.2.dll

Declaration

public RuleStringComparisonAttribute(
    string id,
    DefaultContexts targetContexts,
    StringComparisonType operatorType,
    string operandValue,
    string messageTemplate
)
Public Sub New(
    id As String,
    targetContexts As DefaultContexts,
    operatorType As StringComparisonType,
    operandValue As String,
    messageTemplate As String
)

Parameters

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.

DefaultContexts targetContexts

A DefaultContexts enumeration value that specifies a context for checking the current rule. 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.

String messageTemplate

A string value representing information defining the current rule. This value is set for the RuleBaseAttribute.CustomMessageTemplate property.

Remarks

If you are going to use a default message template for the rule, use a constructor without the messageTemplate parameter.

See Also