Subscription.Delete Method

Deletes a subscription record from the Notification Services database.

命名空间: Microsoft.SqlServer.NotificationServices
程序集: Microsoft.SqlServer.NotificationServices (in microsoft.sqlserver.notificationservices.dll)

语法

声明
Public Sub Delete

public void Delete ()

public:
virtual void Delete () sealed

public final void Delete ()

public final function Delete ()

备注

This method removes the subscription from the system.

示例

The following examples show how to use the Delete method to delete a subscription:

' Create the NSInstance object.
Dim testInstance As New NSInstance("Tutorial")
 
' Create the NSApplication object.
Dim testApplication As _
    New NSApplication(testInstance, "Weather")
 
' Create the Subscription object.
Dim testSubscription As _
    New Subscription(testApplication, "WeatherCity")
 
' Create a SubscriptionEnumeration object.
' that contains all of the subscriber's subscriptions
' in a specific subscription class
Dim testSubscriptionEnumeration As _
    New SubscriptionEnumeration( _
    testApplication, "WeatherCity", "TestUser1")
 
' Iterate through the subscriptions, finding the subscription
' that you want to delete.
Dim subscription As Subscription
For Each subscription In testSubscriptionEnumeration
    Dim city As String = subscription.GetFieldValue("City").ToString()
    If city.Equals("Edmonds") Then
         testSubscription.SubscriptionId = subscription.SubscriptionId
    End If
Next
 
' Delete the subscription
testSubscription.Delete()

// Create the NSInstance object.
NSInstance testInstance = new NSInstance("Tutorial");

// Create the NSApplication object.
NSApplication testApplication =
    new NSApplication(testInstance, "Weather");

// Create the Subscription object.
Subscription testSubscription =
    new Subscription(testApplication, "WeatherCity");


// Create a SubscriptionEnumeration object.
// that contains all of the subscriber's subscriptions
// in a specific subscription class
SubscriptionEnumeration testSubscriptionEnumeration =
    new SubscriptionEnumeration(testApplication,
        "WeatherCity", "TestUser1");

// Iterate through the subscriptions, finding the subscription
// that you want to delete.
foreach (Subscription subscription in testSubscriptionEnumeration)
{
    String city = subscription.GetFieldValue("City").ToString();
    if (city.Equals("Edmonds"))
        testSubscription.SubscriptionId = subscription.SubscriptionId;
}

// Delete the subscription
testSubscription.Delete();

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

Subscription Class
Subscription Members
Microsoft.SqlServer.NotificationServices Namespace