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.NET 8.0+

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LookupEditPropertyCollectionSource.DataSourcePropertyIsNullMode Property

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v24.2.dll

NuGet Package: DevExpress.ExpressApp

#Declaration

[Browsable(false)]
public DataSourcePropertyIsNullMode DataSourcePropertyIsNullMode { get; }

#Property Value

Type
DataSourcePropertyIsNullMode

Available values:

Name Description
SelectNothing

Specifies that the property’s Lookup List View is bound to an empty collection.

SelectAll

Specifies that the property’s Lookup List View is bound to a collection of all existing persistent objects of the property’s type.

CustomCriteria

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 DataSourcePropertyAttribute.DataSourcePropertyIsNullCriteria parameter of the DataSourcePropertyAttribute.

See Also