TransSubscription Constructores
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Crea una nueva instancia de la clase TransSubscription.
Sobrecargas
| TransSubscription() |
Crea una nueva instancia de la clase TransSubscription. |
| TransSubscription(String, String, String, String, ServerConnection) |
Crea una nueva instancia de la TransSubscription clase con la publicación, base de datos, suscriptor y base de datos de suscriptor especificada, y con la conexión especificada a la instancia de Microsoft SQL Server. |
Comentarios
Texto actualizado:17 de julio de 2006
En la tabla siguiente se muestran los valores de propiedad predeterminados para una nueva instancia de TransSubscription. Las propiedades que no se enumeran explícitamente en esta tabla se inicializan en un null valor.
TransSubscription()
Crea una nueva instancia de la clase TransSubscription.
public:
TransSubscription();public TransSubscription ();Public Sub New ()Ejemplos
// Define the Publisher, publication, and databases.
string publicationName = "AdvWorksProductTran";
string publisherName = publisherInstance;
string subscriberName = subscriberInstance;
string subscriptionDbName = "AdventureWorks2012Replica";
string publicationDbName = "AdventureWorks2012";
//Create a connection to the Publisher.
ServerConnection conn = new ServerConnection(publisherName);
// Create the objects that we need.
TransPublication publication;
TransSubscription subscription;
try
{
// Connect to the Publisher.
conn.Connect();
// Ensure that the publication exists and that
// it supports push subscriptions.
publication = new TransPublication();
publication.Name = publicationName;
publication.DatabaseName = publicationDbName;
publication.ConnectionContext = conn;
if (publication.IsExistingObject)
{
if ((publication.Attributes & PublicationAttributes.AllowPush) == 0)
{
publication.Attributes |= PublicationAttributes.AllowPush;
}
// Define the push subscription.
subscription = new TransSubscription();
subscription.ConnectionContext = conn;
subscription.SubscriberName = subscriberName;
subscription.PublicationName = publicationName;
subscription.DatabaseName = publicationDbName;
subscription.SubscriptionDBName = subscriptionDbName;
// Specify the Windows login credentials for the Distribution Agent job.
subscription.SynchronizationAgentProcessSecurity.Login = winLogin;
subscription.SynchronizationAgentProcessSecurity.Password = winPassword;
// By default, subscriptions to transactional publications are synchronized
// continuously, but in this case we only want to synchronize on demand.
subscription.AgentSchedule.FrequencyType = ScheduleFrequencyType.OnDemand;
// Create the push subscription.
subscription.Create();
}
else
{
// Do something here if the publication does not exist.
throw new ApplicationException(String.Format(
"The publication '{0}' does not exist on {1}.",
publicationName, publisherName));
}
}
catch (Exception ex)
{
// Implement the appropriate error handling here.
throw new ApplicationException(String.Format(
"The subscription to {0} could not be created.", publicationName), ex);
}
finally
{
conn.Disconnect();
}
' Define the Publisher, publication, and databases.
Dim publicationName As String = "AdvWorksProductTran"
Dim publisherName As String = publisherInstance
Dim subscriberName As String = subscriberInstance
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"
'Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)
' Create the objects that we need.
Dim publication As TransPublication
Dim subscription As TransSubscription
Try
' Connect to the Publisher.
conn.Connect()
' Ensure that the publication exists and that
' it supports push subscriptions.
publication = New TransPublication()
publication.Name = publicationName
publication.DatabaseName = publicationDbName
publication.ConnectionContext = conn
If publication.IsExistingObject Then
If (publication.Attributes And PublicationAttributes.AllowPush) = 0 Then
publication.Attributes = publication.Attributes _
Or PublicationAttributes.AllowPush
End If
' Define the push subscription.
subscription = New TransSubscription()
subscription.ConnectionContext = conn
subscription.SubscriberName = subscriberName
subscription.PublicationName = publicationName
subscription.DatabaseName = publicationDbName
subscription.SubscriptionDBName = subscriptionDbName
' Specify the Windows login credentials for the Distribution Agent job.
subscription.SynchronizationAgentProcessSecurity.Login = winLogin
subscription.SynchronizationAgentProcessSecurity.Password = winPassword
' By default, subscriptions to transactional publications are synchronized
' continuously, but in this case we only want to synchronize on demand.
subscription.AgentSchedule.FrequencyType = ScheduleFrequencyType.OnDemand
' Create the push subscription.
subscription.Create()
Else
' Do something here if the publication does not exist.
Throw New ApplicationException(String.Format( _
"The publication '{0}' does not exist on {1}.", _
publicationName, publisherName))
End If
Catch ex As Exception
' Implement the appropriate error handling here.
Throw New ApplicationException(String.Format( _
"The subscription to {0} could not be created.", publicationName), ex)
Finally
conn.Disconnect()
End Try
Comentarios
El constructor predeterminado inicializa los campos con sus valores predeterminados.
Consulte también
Se aplica a
TransSubscription(String, String, String, String, ServerConnection)
Crea una nueva instancia de la TransSubscription clase con la publicación, base de datos, suscriptor y base de datos de suscriptor especificada, y con la conexión especificada a la instancia de Microsoft SQL Server.
public:
TransSubscription(System::String ^ publicationName, System::String ^ databaseName, System::String ^ subscriberName, System::String ^ subscriptionDBName, Microsoft::SqlServer::Management::Common::ServerConnection ^ connectionContext);public TransSubscription (string publicationName, string databaseName, string subscriberName, string subscriptionDBName, Microsoft.SqlServer.Management.Common.ServerConnection connectionContext);new Microsoft.SqlServer.Replication.TransSubscription : string * string * string * string * Microsoft.SqlServer.Management.Common.ServerConnection -> Microsoft.SqlServer.Replication.TransSubscriptionPublic Sub New (publicationName As String, databaseName As String, subscriberName As String, subscriptionDBName As String, connectionContext As ServerConnection)Parámetros
- publicationName
- String
Valor String que especifica el nombre de la publicación transaccional o de instantáneas.
- databaseName
- String
Valor String que especifica el nombre de la base de datos que contiene la publicación o el nombre de la base de datos de distribución para un publicador que no es de SQL Server.
- subscriptionDBName
- String
Valor String que especifica el nombre de la base de datos de suscripciones.
- connectionContext
- ServerConnection
Objeto ServerConnection que representa una conexión al publicador o al distribuidor de una suscripción a un publicador que no es de SQL Server.