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ReplicationObject.IsExistingObject Property

Gets whether the object exists on the server or not.

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

public bool IsExistingObject { get; }
/** @property */
public boolean get_IsExistingObject ()

public function get IsExistingObject () : boolean

Property Value

A Boolean value. If true, the object represents an existing object. If false, the object represents an object that does not yet exist.

If the object does not have sufficient information, IsExistingObject returns false.

This property is available with SQL Server 7.0, SQL Server 2000, and SQL Server 2005.

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

// Set the Publisher, publication database, and publication names.
string publicationName = "AdvWorksProductTran";
string publicationDbName = "AdventureWorks";
string publisherName = publisherInstance;

ReplicationDatabase publicationDb;
TransPublication publication;

// Create a connection to the Publisher using Windows Authentication.
ServerConnection conn;
conn = new ServerConnection(publisherName);

    // Connect to the Publisher.

    // Enable the AdventureWorks database for transactional publishing.
    publicationDb = new ReplicationDatabase(publicationDbName, conn);

    // If the database exists and is not already enabled, 
    // enable it for transactional publishing.
    if (publicationDb.LoadProperties())
        if (!publicationDb.EnabledTransPublishing)
            publicationDb.EnabledTransPublishing = true;

        // If the Log Reader Agent does not exist, create it.
        if (!publicationDb.LogReaderAgentExists)
            // Specify the Windows account under which the agent job runs.
            // This account will be used for the local connection to the 
            // Distributor and all agent connections that use Windows Authentication.
            publicationDb.LogReaderAgentProcessSecurity.Login = winLogin;
            publicationDb.LogReaderAgentProcessSecurity.Password = winPassword;

            // Explicitly set authentication mode for the Publisher connection
            // to the default value of Windows Authentication.
            publicationDb.LogReaderAgentPublisherSecurity.WindowsAuthentication = true;

            // Create the Log Reader Agent job.
        throw new ApplicationException(String.Format(
            "The {0} database does not exist at {1}.",
            publicationDb, publisherName));

    // Set the required properties for the transactional publication.
    publication = new TransPublication();
    publication.ConnectionContext = conn;
    publication.Name = publicationName;
    publication.DatabaseName = publicationDbName;

    // Specify a transactional publication (the default).
    publication.Type = PublicationType.Transactional;

    // Activate the publication so that we can add subscriptions.
    publication.Status = State.Active;

    // Enable push and pull subscriptions and independent Distribition Agents.
    publication.Attributes |= PublicationAttributes.AllowPull;
    publication.Attributes |= PublicationAttributes.AllowPush;
    publication.Attributes |= PublicationAttributes.IndependentAgent;

    // Specify the Windows account under which the Snapshot Agent job runs.
    // This account will be used for the local connection to the 
    // Distributor and all agent connections that use Windows Authentication.
    publication.SnapshotGenerationAgentProcessSecurity.Login = winLogin;
    publication.SnapshotGenerationAgentProcessSecurity.Password = winPassword;

    // Explicitly set the security mode for the Publisher connection
    // Windows Authentication (the default).
    publication.SnapshotGenerationAgentPublisherSecurity.WindowsAuthentication = true;

    if (!publication.IsExistingObject)
        // Create the transactional publication.

        // Create a Snapshot Agent job for the publication.
        throw new ApplicationException(String.Format(
            "The {0} publication already exists.", publicationName));

catch (Exception ex)
    // Implement custom application error handling here.
    throw new ApplicationException(String.Format(
        "The publication {0} could not be created.", publicationName), ex);

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.

Development Platforms

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

Target Platforms

Community Additions

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