Subscription.Delete Method

Artigo
12/03/2008

Deletes a subscription record from the Notification Services database.

Namespace: Microsoft.SqlServer.NotificationServices
Assembly: Microsoft.SqlServer.NotificationServices (in microsoft.sqlserver.notificationservices.dll)

Syntax

'Declaration
Public Sub Delete

public void Delete ()

public:
virtual void Delete () sealed

public final void Delete ()

public final function Delete ()

Remarks

This method removes the subscription from the system.

Example

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();

Thread Safety

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.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

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