An exception that is thrown when the essential properties of the currently connected session are about to be modified.
NuGet Package: DevExpress.Xpo
Specific properties (for instance, Session.ConnectionString) can be modified only when a Session is not connected to a data store. If such a property is modified after the connection is established, a CannotChangePropertyWhenSessionIsConnectedException exception is raised.
- change a property before the session is connected to the data store.