The requested page is not available for the requested platform. You are viewing the content for Default platform.

IModelLayoutManagerOptionsValidation.RequiredFieldMark Property

Specifies a string appended to an editor label when there is a validation rule demanding that a property should have a value.

Namespace: DevExpress.ExpressApp.Validation

Assembly: DevExpress.ExpressApp.Validation.v19.1.dll


string RequiredFieldMark { get; set; }
Property RequiredFieldMark As String

Property Value

Type Default Description


A string appended to a Property Editor label when the RuleRequiredFieldAttribute rule is applied.


By default, the Solution Wizard sets the RequiredFieldMark property to '*' (an asterisk symbol).


To change the RequiredFieldMark value, run the Model Editor and navigate to the Options | LayoutManagerOptions node.


If the RequiredFieldMark property is missing, ensure that the ValidationModule is added in the Module Designer.

See Also