RuleValueComparisonAttribute(String, DefaultContexts, ValueComparisonType, Object) Constructor
Initializes a new instance of the RuleValueComparisonAttribute class.
Namespace: DevExpress.Persistent.Validation
Assembly: DevExpress.Persistent.Base.v19.1.dll
Declaration
public RuleValueComparisonAttribute(
string id,
DefaultContexts targetContexts,
ValueComparisonType operatorType,
object rightOperand
)
Parameters
Name | Type | Description |
---|---|---|
id | String | 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. |
targetContexts | DefaultContexts | A DefaultContexts enumeration value that specifies a context for checking the current rule. This value is set for the RuleBaseAttribute.TargetContextIDs property. |
operatorType | ValueComparisonType | A ValueComparisonType enumeration value that represents the operator type to be used when comparing values. |
rightOperand | Object | An object that represents the value to be compared with the target property’s value. |
Remarks
If you are going to set a custom message template instead of a default one, use a constructor with the messageTemplate parameter.
Related GitHub Examples
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