Session.FailedFlushChanges Event

Occurs when the Flush Changes operation fails due to database constraints or other circumstances.

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 event SessionOperationFailEventHandler FailedFlushChanges

VB.NET

Public Event FailedFlushChanges As SessionOperationFailEventHandler

Event Data

The FailedFlushChanges event's data class is SessionOperationFailEventArgs. The following properties provide information specific to this event:

Property	Description
Exception	Gets the exception thrown by a database when committing a transaction or changes made to persistent objects.
Handled	Specifies whether the default processing of an exception is prohibited.

Remarks

This event occurs, for instance, when an exception is thrown when performing the Flush Changes operation (Session.FlushChanges or Session.FlushChangesAsync). The Exception parameter allows you to identify the current exception. To respond to the exception, use the Handled parameter.