IObjectSpace.GetObjectsQuery<T>(Boolean) Method

Gets a queryable data structure that provides functionality to evaluate queries against a specific business object type.

Namespace : DevExpress.ExpressApp

Assembly : DevExpress.ExpressApp.v25.2.dll

NuGet Package : DevExpress.ExpressApp

Declaration

csharp

IQueryable<T> GetObjectsQuery<T>(
    bool inTransaction = false
)

Function GetObjectsQuery(Of T)(
    inTransaction As Boolean = False
) As IQueryable(Of T)

Name	Type	Default	Description
inTransaction	Boolean	False

true , if querying a data store for objects includes all in-memory changes into query results; otherwise, false. Has effect in XPO only.

Name
T

Type	Description
IQueryable<T>

An IQueryable<T> object that provides functionality to evaluate queries against a specific business object type.

You can use the following code to query data in EF Core and XPO applications:

csharp

IQueryable<Payment> query = objectSpace.GetObjectsQuery<Payment>(true);
object obj = query.Where(p => p.Hours == 4).FirstOrDefault();

The GetObjectsQuery<T> method has implementations in XPObjectSpace, EFCoreObjectSpace, and NonPersistentObjectSpace classes: