DataSourcePropertyAttribute(String, DataSourcePropertyIsNullMode, String, String[]) Constructor

Initializes a new instance of the DataSourcePropertyAttribute class with the specified DataSourcePropertyAttribute.DataSourceProperty, DataSourcePropertyAttribute.DataSourcePropertyIsNullMode, DataSourcePropertyAttribute.DataSourcePropertyIsNullCriteria, and DataSourcePropertyAttribute.UsedProperties properties.

Namespace: DevExpress.Persistent.Base

Assembly: DevExpress.ExpressApp.v24.1.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public DataSourcePropertyAttribute(
    string dataSourceProperty,
    DataSourcePropertyIsNullMode dataSourcePropertyIsNullMode,
    string dataSourcePropertyIsNullCriteria,
    params string[] usedProperties
)

VB.NET

Public Sub New(
    dataSourceProperty As String,
    dataSourcePropertyIsNullMode As DataSourcePropertyIsNullMode,
    dataSourcePropertyIsNullCriteria As String,
    ParamArray usedProperties As String()
)

Parameters

Name	Type	Description
dataSourceProperty	String	A string value that specifies the name of a collection property used as the data source for a List View displayed in a Lookup Property Editor or invoked by the LinkUnlinkController.LinkAction Action in a popup window.
dataSourcePropertyIsNullMode	DataSourcePropertyIsNullMode	A DataSourcePropertyIsNullMode enumeration value that specifies the display mode for the target property’s Lookup List View, if the DataSourcePropertyAttribute.DataSourceProperty is not specified.
dataSourcePropertyIsNullCriteria	String	A string value that specifies criteria for filtering the target property’s Lookup List View if the DataSourcePropertyAttribute.DataSourceProperty is not specified.
usedProperties	String[]	An array of System.String values that specify properties whose values are used to calculate the data source property’s return value.