.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+
.NET Core 3.0+

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.v20.2.dll


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

Property Value

Type 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