IModelCommonMemberViewItem.DataSourcePropertyIsNullMode Property
Specifies objects displayed in the current Lookup Property Editor, when the IModelMemberViewItem.DataSourceProperty property is null (Nothing in VB).
Namespace: DevExpress.ExpressApp.Model
Assembly: DevExpress.ExpressApp.v24.2.dll
NuGet Package: DevExpress.ExpressApp
#Declaration
DataSourcePropertyIsNullMode DataSourcePropertyIsNullMode { get; set; }
#Property Value
Type | Description |
---|---|
Data |
A Data |
Available values:
Name | Description |
---|---|
Select |
Specifies that the property’s Lookup List View is bound to an empty collection. |
Select |
Specifies that the property’s Lookup List View is bound to a collection of all existing persistent objects of the property’s type. |
Custom |
Specifies that the Lookup List View is bound to a collection containing the objects that satisfy the criteria. The criteria should be specified by the Data |
#Remarks
This property is considered when the DataSourcePropertyAttribute is applied to the current Property Editor.