IModelClass.KeyProperty Property

Specifies the property that is considered a key.

Namespace: DevExpress.ExpressApp.Model

Assembly: DevExpress.ExpressApp.v23.2.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

string KeyProperty { get; set; }

VB.NET

Property KeyProperty As String

Property Value

Type	Description
String	A string specifying the name of the property that is considered a key.

Remarks

By default, this property is set to the BaseObject node’s KeyProperty property value, which is set to Oid.

Key properties can be read-only in XAF applications. For details, see KeyProperty in the Data Annotations in Data Model topic.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the KeyProperty property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

xaf-how-to-display-a-collection-property-as-a-checked-list-box/CS/DXExample.Module.Web/WebCheckedListBoxPropertyEditor.cs#L45

control.TextField = classInfo.DefaultProperty;
control.ValueField = classInfo.KeyProperty;
control.ValueType = classInfo.TypeInfo.KeyMember.MemberType;

VB.NET

xaf-how-to-display-a-collection-property-as-a-checked-list-box/VB/DXExample.Module.Web/WebCheckedListBoxPropertyEditor.vb#L45

control.TextField = classInfo.DefaultProperty
control.ValueField = classInfo.KeyProperty
control.ValueType = classInfo.TypeInfo.KeyMember.MemberType