DataSourcePropertyAttribute(String) Constructor

Initializes a new instance of the DataSourcePropertyAttribute class with the specified DataSourcePropertyAttribute.DataSourceProperty property.

Namespace: DevExpress.Persistent.Base

Assembly: DevExpress.ExpressApp.v18.2.dll

Declaration

C#

public DataSourcePropertyAttribute(
    string dataSourceProperty
)

VB.NET

Public Sub New(
    dataSourceProperty As String
)

Parameters

Name	Type	Description
dataSourceProperty	String	A string value representing the name of a business class collection property which serves as a source for the Lookup Property Editor of the target Object type business class property.

Remarks

You can specify the data source for the Lookup Property Editor’s List View in case the property specified by the dataSourceProperty parameter is not set. For this purpose, use a constructor with the DataSourcePropertyAttribute.DataSourcePropertyIsNullMode and \ or DataSourcePropertyAttribute.DataSourcePropertyIsNullCriteria parameters.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the DataSourcePropertyAttribute(String) constructor.

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-filter-users-by-their-roles-e210/CS/WinSolution.Module/DomainObject1.cs#L28

private MyUser _myUser;
[DataSourceProperty("MyUserDataSource")]
//[DataSourceCriteria("MyRoles[RoleName = 'r2']")]

XAF_how-to-set-different-criteria-for-a-base-lookup-property-in-descendant-classes-e1754/CS/WinWebSolution.Module/Documents.cs#L27

private ContactBase modifiedByCore;
[DataSourceProperty("ModifiedByCustomLookupDataSource")]
public ContactBase ModifiedBy {

VB.NET

XAF_how-to-filter-users-by-their-roles-e210/VB/WinSolution.Module/DomainObject1.vb#L41

'[DataSourceCriteria("MyRoles[RoleName = 'r2']")]
<DataSourceProperty("MyUserDataSource")> _
Public Property MyUser() As MyUser

XAF_how-to-set-different-criteria-for-a-base-lookup-property-in-descendant-classes-e1754/VB/WinWebSolution.Module/Documents.vb#L37

Private modifiedByCore As ContactBase
<DataSourceProperty("ModifiedByCustomLookupDataSource")> _
Public Property ModifiedBy() As ContactBase