Session.GetClassInfo<ClassType>() Method

Returns the XPClassInfo for the type designated by the specified generic type parameter.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v23.2.dll

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

NuGet Package: DevExpress.Xpo

Declaration

C#

public XPClassInfo GetClassInfo<ClassType>()

VB.NET

Public Function GetClassInfo(Of ClassType) As XPClassInfo

Type Parameters

Name
ClassType

Returns

Type	Description
XPClassInfo	An XPClassInfo object which provides metadata information for a class of the specified type.

Remarks

This method retrieves metadata information via the Session.Dictionary. If the metadata cannot be obtained from a class of the specified type, the CannotResolveClassInfoException is thrown.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetClassInfo<ClassType>() 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#

how-to-bind-wpf-grid-to-data/CS/CodeBehind/XPO/InfiniteAsyncSource/MainWindow.xaml.cs#L17

using(var session = new Session()) {
    var classInfo = session.GetClassInfo<Issue>();
    var properties = classInfo.Members

wpf-data-grid-implement-crud-operations/CS/CodeBehind/XPO/PagedAsyncSource/MainWindow.xaml.cs#L13

using(var session = new Session()) {
    var classInfo = session.GetClassInfo<XPOIssues.Issues.Issue>();
    var properties = classInfo.Members

XPO_how-to-implement-odata4-service-with-xpo/CS/ODataService/Helpers/ApiHelper.cs#L43

}
var classInfo = uow.GetClassInfo<TEntity>();
var memberInfo = classInfo.FindMember(navigationProperty);

XPO_how-to-bind-data-to-winforms-controls-using-xpbindingsource/CS/DXApplication/Form1.cs#L63

ProductListSource.DataSource = UnitOfWork.Query<Products>().ToList();
ProductListSource.ObjectClassInfo = UnitOfWork.GetClassInfo<Products>();
break;

XPO_how-to-generate-a-sequential-number-for-a-business-object-within-a-database-transaction-e2620/CS/ExplicitUnitOfWorkDemo/SequenceGenerator.cs#L15

    euow = new ExplicitUnitOfWork(dataLayer);
    classInfo = euow.GetClassInfo<T>();
}

VB.NET

wpf-data-grid-implement-crud-operations/VB/CodeBehind/XPO/InfiniteAsyncSource/MainWindow.xaml.vb#L11

Using session = New Session()
    Dim classInfo = session.GetClassInfo(Of Issues.Issue)()
    Dim properties = classInfo.Members.Where(Function(member) member.IsPublic AndAlso member.IsPersistent).[Select](Function(member) member.Name).ToArray()

XPO_how-to-bind-data-to-winforms-controls-using-xpbindingsource/VB/DXApplication/Form1.vb#L52

    ProductListSource.DataSource = UnitOfWork.Query(Of Products)().ToList()
    ProductListSource.ObjectClassInfo = UnitOfWork.GetClassInfo(Of Products)()
Case "Single Object"

XPO_how-to-generate-a-sequential-number-for-a-business-object-within-a-database-transaction-e2620/VB/ExplicitUnitOfWorkDemo/SequenceGenerator.vb#L17

    euow = New ExplicitUnitOfWork(dataLayer)
    classInfo = euow.GetClassInfo(Of T)()
End Sub