Evento SqlCeConnection.FlushFailure
Aparece cuando se produce un error en la tarea de volcado en segundo plano.
Espacio de nombres: System.Data.SqlServerCe
Ensamblado: System.Data.SqlServerCe (en System.Data.SqlServerCe.dll)
Sintaxis
'Declaración
Public Event FlushFailure As SqlCeFlushFailureEventHandler
'Uso
Dim instance As SqlCeConnection
Dim handler As SqlCeFlushFailureEventHandler
AddHandler instance.FlushFailure, handler
public event SqlCeFlushFailureEventHandler FlushFailure
public:
event SqlCeFlushFailureEventHandler^ FlushFailure {
void add (SqlCeFlushFailureEventHandler^ value);
void remove (SqlCeFlushFailureEventHandler^ value);
}
member FlushFailure : IEvent<SqlCeFlushFailureEventHandler,
SqlCeFlushFailureEventArgs>
JScript admite el uso de eventos, pero no la declaración de otros nuevos.
Ejemplos
En el siguiente ejemplo, se muestra cómo utilizar el evento FlushFailure.
Public Sub Snippet4()
Dim conn As SqlCeConnection = Nothing
Try
conn = New SqlCeConnection("Data Source = MyDatabase.sdf; Password ='<pwd>'")
AddHandler conn.FlushFailure, AddressOf conn_FlushFailure
conn.Open()
'Flush failure occurs here
'OnFlushFailure will be called from the background thread.
Finally
conn.Close()
End Try
End Sub
Private Sub conn_FlushFailure(ByVal sender As System.Object, ByVal e As SqlCeFlushFailureEventArgs)
Dim errors As SqlCeErrorCollection = e.Errors
Console.WriteLine("Flush Failure: " + errors(0).Message)
End Sub
// using System;
// using System.Xml;
// using System.Data;
// using System.Data.SqlServerCe;
// using System.Data.Common;
// using System.Windows.Forms;
/// <summary>
/// Demonstrates the usage of the FlushFailure event
/// </summary>
public class MyForm : Form
{
public void Snippet4()
{
SqlCeConnection conn = new SqlCeConnection();
conn.FlushFailure+=new SqlCeFlushFailureEventHandler(conn_FlushFailure);
conn.Open();
//Flush failure occurs here
//OnFlushFailure will be called from the background thread.
conn.Close();
}
void conn_FlushFailure(object sender, SqlCeFlushFailureEventArgs e)
{
SqlCeErrorCollection errors = e.Errors;
Console.WriteLine("Flush Failure:" + errors[0].Message);
}
}