Session.CreateObjectTypeRecords(Type[]) Method

Stores valid persistent types for the specified class types.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v25.2.dll

NuGet Package: DevExpress.Xpo

Declaration

C#

public void CreateObjectTypeRecords(
    params Type[] types
)

VB.NET

Public Sub CreateObjectTypeRecords(
    ParamArray types As Type()
)

Parameters

Name	Type	Description
types	Type[]	An array of class types for which the persistent types will be stored in the metadata information.

Remarks

For thread-safe data access layers (see ThreadSafeDataLayer) to function correctly it’s necessary to provide complete metadata information on the persistent objects in a data store before performing any operations with persistent objects. Call the CreateObjectTypeRecords method and pass class types as the types parameter to store valid persistent types for the corresponding persistent objects. This creates all the necessary records within a special table called XPObjectType which is used to support object polymorphism.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the CreateObjectTypeRecords(Type[]) 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#

reporting-provide-custom-report-gallery-storage-in-report-designer/CS/XpoReportGalleryStorage/XpoReportGalleryStorageBase.cs#L27

    using(var unitOfWork = new UnitOfWork(updateDataLayer))
        unitOfWork.CreateObjectTypeRecords(typeof(ReportGalleryTable));
}

VB.NET

reporting-provide-custom-report-gallery-storage-in-report-designer/VB/XpoReportGalleryStorage/XpoReportGalleryStorageBase.vb#L35

Using unitOfWork = New DevExpress.Xpo.UnitOfWork(updateDataLayer)
    unitOfWork.CreateObjectTypeRecords(GetType(XpoReportGalleryStorage.ReportGalleryTable))
End Using