如何删除 SQL Server Compact Edition 订阅（以编程方式）
本主题将介绍如何通过使用 SqlCeReplication 类来删除对 Microsoft SQL Server 2005 Compact Edition (SQL Server Compact Edition) 数据库的订阅。有关使用 SqlServerCe 命名空间的详细信息，请参阅 SqlServerCe 命名空间参考文档。
删除 SQL Server Compact Edition 订阅
初始化 SqlCeReplication 对象。
设置 SqlCeReplication 对象的下列属性：
- SubscriberConnectionString
- Subscriber
- Publisher
- Publication
- PublisherDatabase
调用 DropSubscription 方法，传入 DropOption。使用 DropOption 可以保留或删除数据库。如果指定了 DropDatabase 的 DropOption 并且该数据库包含多个订阅，将不删除该数据库。
示例
下面的示例说明如何删除对名为 MyDatabase.sdf 的数据库的订阅。在删除订阅后，该数据库即被删除。
SqlCeReplication repl = null;
try
{
// Set the Replication object properties.
repl = new SqlCeReplication();
repl.SubscriberConnectionString =
@"Data Source='ssce.sdf'";
repl.Publisher = @"servername";
repl.PublisherDatabase = @"SQLMobile";
repl.Publication = @"SQLMobile";
// Drop the subscription and delete the database.
repl.DropSubscription(DropOption.DropDatabase);
}
catch(SqlCeException ex)
{
// Use your own error handling routine to show error information.
// ShowError.ShowErrors(ex);
}
finally
{
// Dispose of the Replication object.
repl.Dispose();
}
Dim repl As SqlCeReplication = Nothing
Try
' Set the Replication object properties.
repl = New SqlCeReplication()
repl.SubscriberConnectionString = "Data Source='ssce.sdf'"
repl.Publisher = "servername"
repl.PublisherDatabase = "SQLMobile"
repl.Publication = "SQLMobile"
' Drop the subscription and delete the database.
repl.DropSubscription(DropOption.DropDatabase)
Catch ex As SqlCeException
' Use your own error handling routine to show error information.
' ShowErrors(ex)
Finally
' Dispose of the Replication object.
repl.Dispose()
End Try
ISSCEMerge *pISSCEMerge = NULL;
BSTR bstr = NULL;
/* Create the Replication object. */
CoCreateInstance(CLSID_Replication, NULL, CLSCTX_INPROC_SERVER,
IID_ISSCEMerge, (LPVOID *) &pISSCEMerge);
/* Set Subscriber properties. */
bstr = SysAllocString(L"data source=\\Ssce.sdf");
pISSCEMerge->put_SubscriberConnectionString(bstr);
SysFreeString(bstr);
bstr = SysAllocString(L"SamplePublisher");
pISSCEMerge->put_Publisher(bstr);
SysFreeString(bstr);
bstr = SysAllocString(L"AdventureWorks_SQLCE");
pISSCEMerge->put_PublisherDatabase(bstr);
SysFreeString(bstr);
bstr = SysAllocString(L"SQLCEReplDemo");
pISSCEMerge->put_Publication(bstr);
SysFreeString(bstr);
/* Drop the subscription and delete the database. */
pISSCEMerge->DropSubscription(DROP_DATABASE));