Session Class

The session that is used to load and save persistent objects. See Session.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v19.2.dll

Declaration

C#

[ToolboxTabName("DX.19.2: ORM Components")]
[ToolboxBitmap(typeof(ToolboxIconsRootNS), "Session")]
public class Session :
    Component,
    ISupportInitialize,
    IPersistentValueExtractor,
    ISessionProvider,
    IObjectLayerProvider,
    IXPDictionaryProvider,
    IDataLayerProvider,
    IWideDataStorage,
    ICommandChannel,
    ICommandChannelAsync

VB.NET

<ToolboxTabName("DX.19.2: ORM Components")>
<ToolboxBitmap(GetType(ToolboxIconsRootNS), "Session")>
Public Class Session
    Inherits Component
    Implements ISupportInitialize,
               IPersistentValueExtractor,
               ISessionProvider,
               IObjectLayerProvider,
               IXPDictionaryProvider,
               IDataLayerProvider,
               IWideDataStorage,
               ICommandChannel,
               ICommandChannelAsync

C#

public class Session :
    Component,
    ISupportInitialize,
    IPersistentValueExtractor,
    ISessionProvider,
    IObjectLayerProvider,
    IXPDictionaryProvider,
    IDataLayerProvider,
    IWideDataStorage,
    ICommandChannel,
    ICommandChannelAsync

VB.NET

Public Class Session
    Inherits Component
    Implements ISupportInitialize,
               IPersistentValueExtractor,
               ISessionProvider,
               IObjectLayerProvider,
               IXPDictionaryProvider,
               IDataLayerProvider,
               IWideDataStorage,
               ICommandChannel,
               ICommandChannelAsync

Related API Members

The following members return Session objects:

• XPObjectSpace.Session

Related API Members

The following members return Session objects:

Show 19 links

Library	Related API Members
eXpressApp Framework	XPObjectSpace.Session
eXpress Persistent Objects	ISessionProvider.Session
	NestedUnitOfWork.Parent
	ObjectChangeEventArgs.Session
	ObjectManipulationEventArgs.Session
	ObjectsManipulationEventArgs.Session
	PersistentBase.Session
	SerializableObjectLayer.ParentSession
	Session.DefaultSession
	SessionManipulationEventArgs.Session
	SessionMixingException.Session
	XPBaseCollection.Session
	XPCursor.Session
	XpoDataSource.Session
	XpoDefault.Session
	XPQueryBase.Session
	XPServerCollectionSource.Session
	XPServerModeView.Session
	XPView.Session

Related API Members

The following members return Session objects:

Show 18 links

Library	Related API Members
eXpressApp Framework	XPObjectSpace.Session
eXpress Persistent Objects	ISessionProvider.Session
	NestedUnitOfWork.Parent
	ObjectChangeEventArgs.Session
	ObjectManipulationEventArgs.Session
	ObjectsManipulationEventArgs.Session
	PersistentBase.Session
	SerializableObjectLayer.ParentSession
	Session.DefaultSession
	SessionManipulationEventArgs.Session
	SessionMixingException.Session
	XPBaseCollection.Session
	XPCursor.Session
	XpoDefault.Session
	XPQueryBase.Session
	XPServerCollectionSource.Session
	XPServerModeView.Session
	XPView.Session

Remarks

For detailed information on using sessions, see the Session document.

Related GitHub Examples

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

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_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/CS/DXSample.Module/TestObject.cs#L14

public class TestObject : BaseObject {
    public TestObject(Session session) : base(session) { }
    private string _Error;

VB.NET

XAF_validation-how-to-highlight-invalid-properties-when-the-view-is-shown-e1524/VB/DXSample.Module/TestObject.vb#L16

Inherits BaseObject
Public Sub New(ByVal session As Session)
    MyBase.New(session)

Implements

ISessionProvider

Inheritance

Object

MarshalByRefObject

Component

Session

UnitOfWork

ExplicitUnitOfWork

NestedUnitOfWork

Extension Methods

Query<T>()

QueryInTransaction<T>()