WebPropertyEditor.NullText Property

Specifies the text displayed by WebPropertyEditor when its ControlValue is null.

Namespace: DevExpress.ExpressApp.Web.Editors

Assembly: DevExpress.ExpressApp.Web.v18.2.dll

Declaration

C#

public string NullText { get; set; }

VB.NET

Public Property NullText As String

Property Value

Type	Description
String	A string displayed instead of the null value.

Remarks

The following View Controller changes this property value for the “MyStringProperty” editor in a MyObject Detail View.

C#

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Web.Editors;
// ...
public class MyViewController : ObjectViewController<DetailView, MyObject> {
    protected override void OnActivated() {
        base.OnActivated();
        WebPropertyEditor propertyEditor = View.FindItem("MyStringProperty") as WebPropertyEditor;
        if(propertyEditor != null) {
            propertyEditor.NullText = "Type your text here...";
        }
        // ...
    }
}

VB.NET

Imports DevExpress.ExpressApp
Imports DevExpress.ExpressApp.Web.Editors
' ...
Public Class MyViewController
    Inherits ObjectViewController(Of DetailView, MyObject)
    Protected Overrides Sub OnActivated()
        MyBase.OnActivated()
        Dim propertyEditor As WebPropertyEditor = CType(View.FindItem("MyStringProperty"), WebPropertyEditor)
        If propertyEditor IsNot Nothing Then
            propertyEditor.NullText = "Type your text here..."
        End If
    End Sub
    ' ...
End Class