.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+

Session.GetObjectByKey(Type, Object) Method

Returns the persistent object that has the specified value for its key property.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.1.dll


public object GetObjectByKey(
    Type classType,
    object id


Name Type Description
classType Type

A Type object which represents the type of objects to search for.

id Object

An object that represents the persistent object’s key property value.


Type Description

An object which represents the persistent object with the specified value for its key property. Null if no objects are found.


Below is an example of using the GetObjectByKey method. Here, session is the Session instance.

using DevExpress.Xpo;
// ...
Person personToDelete = (Person)session.GetObjectByKey(typeof(Person), 152);

Firstly, the GetObjectByKey method searches the memory for the object that has the specified value for its key property. If such an object is found, it is not reloaded. To get the up-to-date object from storage, use the overloaded Session.GetObjectByKey method with the alwaysGetFromDb parameter set to true.


The GetObjectByKey method does not find objects until they are saved to a data store.

See Also