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MergeSubscription Constructor ()

Creates a new instance of the MergeSubscription class.

Namespace: Microsoft.SqlServer.Replication
Assembly: Microsoft.SqlServer.Rmo (in microsoft.sqlserver.rmo.dll)

public MergeSubscription ()
public MergeSubscription ()
public function MergeSubscription ()

The default constructor initializes any fields to their default values.

This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.


// Define the Publisher, publication, and databases.
string publicationName = "AdvWorksSalesOrdersMerge";
string publisherName = publisherInstance;
string subscriberName = subscriberInstance;
string subscriptionDbName = "AdventureWorksReplica";
string publicationDbName = "AdventureWorks";
string hostname = @"adventure-works\garrett1";

//Create a connection to the Publisher.
ServerConnection conn = new ServerConnection(subscriberName);

// Create the objects that we need.
MergePublication publication;
MergeSubscription subscription;

try
{
    // Connect to the Publisher.
    conn.Connect();

    // Ensure that the publication exists and that 
    // it supports push subscriptions.
    publication = new MergePublication();
    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 MergeSubscription();
        subscription.ConnectionContext = conn;
        subscription.SubscriberName = subscriberName;
        subscription.PublicationName = publicationName;
        subscription.DatabaseName = publicationDbName;
        subscription.SubscriptionDBName = subscriptionDbName;
        subscription.HostName = hostname;

        // Set a schedule to synchronize the subscription every 2 hours
        // during weekdays from 6am to 10pm.
        subscription.AgentSchedule.FrequencyType = ScheduleFrequencyType.Weekly;
        subscription.AgentSchedule.FrequencyInterval = Convert.ToInt32(0x003E);
        subscription.AgentSchedule.FrequencyRecurrenceFactor = 1;
        subscription.AgentSchedule.FrequencySubDay = ScheduleFrequencySubDay.Hour;
        subscription.AgentSchedule.FrequencySubDayInterval = 2;
        subscription.AgentSchedule.ActiveStartDate = 20051108;
        subscription.AgentSchedule.ActiveEndDate = 20071231;
        subscription.AgentSchedule.ActiveStartTime = 060000;
        subscription.AgentSchedule.ActiveEndTime = 100000;

        // Specify the Windows login credentials for the Merge Agent job.
        subscription.SynchronizationAgentProcessSecurity.Login = winLogin;
        subscription.SynchronizationAgentProcessSecurity.Password = winPassword;

        // 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();
}

Development Platforms

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

Target Platforms

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