XPClassInfo.CreateNewObject(Session) Method

Creates a new persistent object.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v23.2.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

public virtual object CreateNewObject(
    Session session
)

VB.NET

Public Overridable Function CreateNewObject(
    session As Session
) As Object

Parameters

Name	Type	Description
session	Session	A Session object which represents the session. This property is assigned to the object’s PersistentBase.Session property.

Returns

Type	Description
Object	An object which is the newly created persistent object.

Remarks

After the CreateNewObject method creates an object, it is marked as “new”, to be inserted into the database later and its PersistentBase.AfterConstruction method is invoked.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the CreateNewObject(Session) method.

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#

XPO_how-to-persist-metadata-e269/CS/Program.cs#L92

XPClassInfo classCustomer = dataSession.GetClassInfo("", "Customer");
XPBaseObject customer = (XPBaseObject)classCustomer.CreateNewObject(dataSession);
customer.SetMemberValue("FullName", "John Doe");

XPO_how-to-clone-a-persistent-object-e804/CS/SimpleObject/CloneHelper.cs#L36

XPClassInfo targetClassInfo = targetSession.GetClassInfo(source.GetType());
object target = targetClassInfo.CreateNewObject(targetSession);
clonedObjects.Add(source, target);

XPO_how-to-define-a-persistent-class-at-runtime-e1139/CS/CreateClassAtRuntime/Program.cs#L30

Console.WriteLine("Create a new object:");
XPBaseObject obj = (XPBaseObject)myClassA.CreateNewObject(session);
obj.SetMemberValue("Name", String.Format("sample {0}", DateTime.UtcNow.Ticks));

asp-net-mvc-grid-custom-binding-and-xpo/CS/XPCustomBindingExample/XPO/StartupHelper.cs#L39

for(int i = 0; i < ordersCount; i++) {
    object order = classInfo.CreateNewObject(uow);
    classInfo.GetMember("ID").SetValue(order, i + 1);

XPO_how-to-create-persistent-classes-mapped-to-tables-with-a-composite-primary-key-at-runtime-e4606/CS/XpoConsoleApplication/Program.cs#L128

foreach (object[] values in objValues) {
    object o = ci.CreateNewObject(s);
    for (int i = 0; i < props.Length; i++) {

VB.NET

XPO_how-to-persist-metadata-e269/VB/Program.vb#L96

Dim classCustomer As XPClassInfo = dataSession.GetClassInfo("", "Customer")
Dim customer As XPBaseObject = CType(classCustomer.CreateNewObject(dataSession), XPBaseObject)
customer.SetMemberValue("FullName", "John Doe")

XPO_how-to-clone-a-persistent-object-e804/VB/SimpleObject/CloneHelper.vb#L39

Dim targetClassInfo As XPClassInfo = targetSession.GetClassInfo(source.GetType())
Dim target As Object = targetClassInfo.CreateNewObject(targetSession)
clonedObjects.Add(source, target)

asp-net-mvc-grid-custom-binding-and-xpo/VB/XPCustomBindingExample/XPO/StartupHelper.vb#L46

For i As Integer = 0 To ordersCount - 1
    Dim order As Object = classInfo.CreateNewObject(uow)
    classInfo.GetMember("ID").SetValue(order, i + 1)