Imports System
Imports System.Data.SqlClient
Imports DevExpress.Xpo
Imports DevExpress.Persistent.AuditTrail
Public Class TimeStamp
    Implements IAuditTimestampStrategy
    Private cachedTimestamp As DateTime
    Public Function GetTimestamp(ByVal auditDataItem As AuditDataItem) As DateTime _
          Implements IAuditTimestampStrategy.GetTimestamp
        Return cachedTimestamp
    End Function
    Public Sub OnBeginSaveTransaction(ByVal session As Session) _
          Implements IAuditTimestampStrategy.OnBeginSaveTransaction
        Dim command As SqlCommand = New SqlCommand("select getdate()", _
           CType(session.Connection, SqlConnection))
        cachedTimestamp = CDate(command.ExecuteScalar())
    End Sub
End Class