Classe MergePublication

Represents a merge publication.

Gerarchia di ereditarietà

System. . :: . .Object
  Microsoft.SqlServer.Replication. . :: . .ReplicationObject
    Microsoft.SqlServer.Replication. . :: . .Publication
      Microsoft.SqlServer.Replication..::..MergePublication

Spazio dei nomi  Microsoft.SqlServer.Replication
Assembly:  Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class MergePublication _
    Inherits Publication
'Utilizzo
Dim instance As MergePublication
public sealed class MergePublication : Publication
public ref class MergePublication sealed : public Publication
[<SealedAttribute>]
type MergePublication =  
    class
        inherit Publication
    end
public final class MergePublication extends Publication

Nel tipo MergePublication sono esposti i membri seguenti.

Costruttori

  Nome Descrizione
Metodo pubblico MergePublication() () () () Creates a new instance of the MergePublication class.
Metodo pubblico MergePublication(String, String, ServerConnection) Initializes a new instance of the MergePublication class with the specified name, database, and connection to the Publisher.
Metodo pubblico MergePublication(String, String, ServerConnection, Boolean) Creates an instance of the MergePublication class, specifying whether the Snapshot Agent job should be created by default.

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Proprietà

  Nome Descrizione
Proprietà pubblica AltSnapshotFolder Gets or sets the alternate snapshot file location for a publication. Ereditato da Publication.
Proprietà pubblica Attributes Gets or sets the publication attributes. Ereditato da Publication.
Proprietà pubblica AutomaticReinitializationPolicy Gets or sets whether changes at the Publisher are uploaded to the Publisher when a subscription is reinitialized because of a change in the publication.
Proprietà pubblica CachePropertyChanges Gets or sets whether to cache changes made to the replication properties or to apply them immediately. Ereditato da ReplicationObject.
Proprietà pubblica CompatibilityLevel Gets or sets the earliest version of Microsoft SQL Server that can subscribe to the merge publication. Esegue l'override di Publication. . :: . .CompatibilityLevel.
Proprietà pubblica ConflictRetention Gets or sets the number of days that conflict data rows are retained in conflict tables. Ereditato da Publication.
Proprietà pubblica ConnectionContext Gets or sets the connection to an instance of Microsoft SQL Server. Ereditato da ReplicationObject.
Proprietà pubblica CreateSnapshotAgentByDefault Gets or sets if the Snapshot Agent job is added automatically when the publication is created. Ereditato da Publication.
Proprietà pubblica DatabaseName Gets or sets the name of the publication database. Ereditato da Publication.
Proprietà pubblica Description Gets or sets a textual description of the publication. Ereditato da Publication.
Proprietà pubblica FtpAddress Gets or sets the address of the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica FtpLogin Gets or sets the login that is used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica FtpPassword Sets the password for the login that is used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica FtpPort Gets or sets the port of the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica FtpSubdirectory Gets or sets the subdirectory on the File Transfer Protocol (FTP) server computer for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica HasSubscription Gets whether the publication has one or more subscriptions. Ereditato da Publication.
Proprietà pubblica IsExistingObject Gets whether the object exists on the server or not. Ereditato da ReplicationObject.
Proprietà pubblica MaxConcurrentDynamicSnapshots Gets or sets the maximum number of concurrent Snapshot Agent sessions supported when generating data snapshots when the publication has a parameterized row filter.
Proprietà pubblica MaxConcurrentMerge Gets or sets the maximum number of Merge Agents that can synchronize with the publication concurrently.
Proprietà pubblica MergeArticles Gets the existing articles in the merge publication.
Proprietà pubblica MergeSubscriptions Gets the subscriptions that belong to a merge publication.
Proprietà pubblica Name Gets or sets the name of the publication. Ereditato da Publication.
Proprietà pubblica PartitionGroupsOption Gets or sets whether precomputed partitions should be used to optimize the synchronization process.
Proprietà pubblica PostSnapshotScript Gets or sets the name and full path of a Transact-SQL script file that is executed after the initial snapshot is applied to the Subscriber. Ereditato da Publication.
Proprietà pubblica PreSnapshotScript Gets or sets the name and full path of a Transact-SQL script file that is executed before the initial snapshot is applied to the Subscriber. Ereditato da Publication.
Proprietà pubblica Priority Infrastruttura.
Proprietà pubblica PubId Gets the value that uniquely identifies the publication. Ereditato da Publication.
Proprietà pubblica ReplicateDdl Gets or sets the data definition language (DDL) replication options that determine if DDL changes are replicated. Ereditato da Publication.
Proprietà pubblica RetentionPeriod Gets or sets the amount of time before a subscription expires when the subscription is not synchronized with the publication. Ereditato da Publication.
Proprietà pubblica RetentionPeriodUnit Gets or sets the unit in which the RetentionPeriodUnit property is expressed.
Proprietà pubblica SecureFtpPassword Sets the password (as a SecureString object) for the login used to connect to the File Transfer Protocol (FTP) server for publications that allow subscription initialization over FTP. Ereditato da Publication.
Proprietà pubblica SnapshotAgentExists Gets if the SQL Server Agent job exists to generate the initial snapshot for this publication. Ereditato da Publication.
Proprietà pubblica SnapshotAvailable Gets or sets whether the snapshot files for this publication have been generated and are available to initialize Subscribers.
Proprietà pubblica SnapshotGenerationAgentProcessSecurity Gets an object that sets the Windows account under which the Snapshot Agent job runs. Ereditato da Publication.
Proprietà pubblica SnapshotGenerationAgentPublisherSecurity Gets the security context used by the Snapshot Agent to connect to the Publisher. Ereditato da Publication.
Proprietà pubblica SnapshotJobId Gets the Snapshot Agent job ID for the current publication. Ereditato da Publication.
Proprietà pubblica SnapshotMethod Gets or sets the data file format of the initial snapshot. Ereditato da Publication.
Proprietà pubblica SnapshotSchedule Gets an object that sets the schedule for the Snapshot Agent for the current publication. Ereditato da Publication.
Proprietà pubblica SqlServerName Gets the name of the Microsoft SQL Server instance to which this object is connected. Ereditato da ReplicationObject.
Proprietà pubblica Status Gets or sets the status of the publication. Ereditato da Publication.
Proprietà pubblica Type Gets or sets the type of publication. Ereditato da Publication.
Proprietà pubblica UserData Gets or sets an object property that allows users to attach their own data to the object. Ereditato da ReplicationObject.
Proprietà pubblica UsesHostName Gets whether the merge publication has a parameterized row filter that uses the HOST_NAME function to evaluate the partition.
Proprietà pubblica ValidateSubscriberInfo Gets or sets the functions that are used to define a Subscriber partition of the published data when parameterized row filters are used.
Proprietà pubblica WebSynchronizationUrl Gets or sets the URL used with Web synchronization.

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Metodi

  Nome Descrizione
Metodo pubblico AddMergeDynamicSnapshotJob Adds a Snapshot Agent job that generates the filtered data partition for a Subscriber when a parameterized row filter is used.
Metodo pubblico AddMergeDynamicSnapshotJobForLateBoundComClients Enables late-bound COM clients to add a Snapshot Agent job that generates the filtered data partition for a Subscriber when a parameterized row filter is used.
Metodo pubblico AddMergePartition Defines a Subscriber partition for a merge publication with a parameterized row filter.
Metodo pubblico BrowseSnapshotFolder Returns the complete path of the directory location where snapshot files are generated.
Metodo pubblico ChangeMergeDynamicSnapshotJobScheduleWithJobId Modifies the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job ID.
Metodo pubblico ChangeMergeDynamicSnapshotJobScheduleWithJobIdForLateBoundComClients Allows late-bound COM clients to modify the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job ID.
Metodo pubblico ChangeMergeDynamicSnapshotJobScheduleWithJobName Modifies the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job name.
Metodo pubblico ChangeMergeDynamicSnapshotJobScheduleWithJobNameForLateBoundComClients Allows late-bound COM clients to modify the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber, based on the job name.
Metodo protetto CheckValidCreation Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto CheckValidDefinition Infrastruttura. Ereditato da Publication.
Metodo pubblico CommitPropertyChanges Sends all the cached property change statements to the instance of Microsoft SQL Server. Ereditato da ReplicationObject.
Metodo pubblico CopySnapshot Copies the snapshot files for the merge publication from the snapshot folder to a destination folder.
Metodo pubblico Create Creates the publication. Ereditato da Publication.
Metodo pubblico CreateSnapshotAgent Creates the SQL Server Agent job that is used to generate the initial snapshot for the publication, if this job does not already exist. Ereditato da Publication.
Metodo pubblico Decouple Decouples the referenced replication object from the server. Ereditato da ReplicationObject.
Metodo pubblico DisableSynchronizationPartner Disables the specified synchronization partner for this merge publication.
Metodo pubblico EnableSynchronizationPartner Enables a specified synchronization partner for this merge publication.
Metodo pubblico EnumAllMergeJoinFilters Returns all the merge join filters defined on the merge publication.
Metodo pubblico EnumArticles Returns the articles in the publication. Ereditato da Publication.
Metodo pubblico EnumMergeDynamicSnapshotJobs Returns a list of merge dynamic snapshot jobs.
Metodo pubblico EnumMergePartitions Returns the Subscriber partitions defined for this merge publication.
Metodo pubblico EnumPublicationAccesses Returns logins that have access to the Publisher. Ereditato da Publication.
Metodo pubblico EnumSubscriptions Returns the subscriptions that subscribe to the publication. Ereditato da Publication.
Metodo pubblico EnumSynchronizationPartners Returns the alternate synchronization partners for this merge publication.
Metodo pubblico Equals Ereditato da Object.
Metodo protetto Finalize Ereditato da Object.
Metodo pubblico GenerateFilters Infrastruttura.
Metodo protetto GetChangeCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto GetCreateCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto GetDropCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo pubblico GetHashCode Ereditato da Object.
Metodo pubblico GetMergeDynamicSnapshotJobScheduleWithJobId Returns the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber based on the job ID.
Metodo pubblico GetMergeDynamicSnapshotJobScheduleWithJobName Returns the schedule for the Snapshot Agent job that generates the filtered data partition for a Subscriber based on the job name.
Metodo pubblico GetType Ereditato da Object.
Metodo pubblico GrantPublicationAccess Adds the specified login to the publication access list (PAL). Ereditato da Publication.
Metodo protetto InternalRefresh Infrastruttura. Ereditato da ReplicationObject.
Metodo pubblico Load Loads the properties of an existing object from the server. Ereditato da ReplicationObject.
Metodo pubblico LoadProperties Loads the properties of an existing object from the server. Ereditato da ReplicationObject.
Metodo pubblico MakePullSubscriptionWellKnown Registers a merge pull subscription at the Publisher.
Metodo protetto MemberwiseClone Ereditato da Object.
Metodo pubblico ReadLastValidationDateTimes Returns information about the most recent subscription validation for a Subscriber.
Metodo pubblico Refresh Reloads the properties of the object. Ereditato da ReplicationObject.
Metodo pubblico ReinitializeAllSubscriptions Marks all the subscriptions for reinitialization.
Metodo pubblico Remove() () () () Removes an existing publication. Ereditato da Publication.
Metodo pubblico Remove(Boolean) Removes an existing publication even if the Distributor cannot be accessed. Ereditato da Publication.
Metodo pubblico RemoveMergeDynamicSnapshotJob Removes the specified dynamic snapshot job from the merge publication.
Metodo pubblico RemoveMergePartition Removes an existing Subscriber partition defined on the merge publication.
Metodo pubblico RemovePullSubscription Removes the registration of a Subscriber with a pull subscription to the merge publication.
Metodo pubblico ReplicateUserDefinedScript Replicates the execution of a user-defined script to the Subscribers of a specified publication. Ereditato da Publication.
Metodo pubblico ResynchronizeSubscription Resynchronizes a merge subscription to a known validation state that you specify.
Metodo pubblico RevokePublicationAccess Removes the specified login from the publication access list (PAL). Ereditato da Publication.
Metodo pubblico Script Generates a Transact-SQL script that can be used to re-create the publication as specified by the script options. Ereditato da Publication.
Metodo pubblico ScriptMergeDynamicSnapshotJob Generates a Transact-SQL script that can be used to re-create the Snapshot Agent job that generates a Subscriber's partitioned data snapshot for publications with a parameterized row filter.
Metodo pubblico ScriptMergePartition Generates a Transact-SQL script that can be used to re-create a Subscriber partition for publications with a parameterized row filter.
Metodo pubblico ScriptPublicationActivation Generates a Transact-SQL script that, when run, sets the status of a merge publication to active. 
Metodo pubblico StartSnapshotGenerationAgentJob Starts the job that generates the initial snapshot for the publication. Ereditato da Publication.
Metodo pubblico StopSnapshotGenerationAgentJob Attempts to stop a running Snapshot Agent job. Ereditato da Publication.
Metodo pubblico ToString Ereditato da Object.
Metodo pubblico ValidatePublication Marks all subscriptions for validation during the next synchronization.
Metodo pubblico ValidateSubscription Marks the specified subscription for validation during the next synchronization.

In alto

Osservazioni

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

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Esempi

This example creates a merge publication.

          // Set the Publisher, publication database, and publication names.
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2008R2";

            ReplicationDatabase publicationDb;
            MergePublication publication;

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

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

                // Enable the database for merge publication.               
                publicationDb = new ReplicationDatabase(publicationDbName, conn);
                if (publicationDb.LoadProperties())
                {
                    if (!publicationDb.EnabledMergePublishing)
                    {
                        publicationDb.EnabledMergePublishing = true;
                    }
                }
                else
                {
                    // Do something here if the database does not exist. 
                    throw new ApplicationException(String.Format(
                        "The {0} database does not exist on {1}.",
                        publicationDb, publisherName));
                }

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

                // Enable precomputed partitions.
                publication.PartitionGroupsOption = PartitionGroupsOption.True;

                // 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;

                // Enable Subscribers to request snapshot generation and filtering.
                publication.Attributes |= PublicationAttributes.AllowSubscriberInitiatedSnapshot;
                publication.Attributes |= PublicationAttributes.DynamicFilters;

                // Enable pull and push subscriptions.
                publication.Attributes |= PublicationAttributes.AllowPull;
                publication.Attributes |= PublicationAttributes.AllowPush;

                if (!publication.IsExistingObject)
                {
                    // Create the merge publication.
                    publication.Create();
                    
                    // Create a Snapshot Agent job for the publication.
                    publication.CreateSnapshotAgent();
                }
                else
                {
                    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);
            }
            finally
            {
                conn.Disconnect();
            }
' Set the Publisher, publication database, and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2008R2"

Dim publicationDb As ReplicationDatabase
Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Enable the database for merge publication.                
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If Not publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = True
        End If
    Else
        ' Do something here if the database does not exist. 
        Throw New ApplicationException(String.Format( _
         "The {0} database does not exist on {1}.", _
         publicationDb, publisherName))
    End If

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Enable precomputed partitions.
    publication.PartitionGroupsOption = PartitionGroupsOption.True

    ' 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

    ' Enable Subscribers to request snapshot generation and filtering.
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowSubscriberInitiatedSnapshot
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.DynamicFilters

    ' Enable pull and push subscriptions
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPull
    publication.Attributes = publication.Attributes Or _
        PublicationAttributes.AllowPush

    If Not publication.IsExistingObject Then
        ' Create the merge publication.
        publication.Create()

        ' Create a Snapshot Agent job for the publication.
        publication.CreateSnapshotAgent()
    Else
        Throw New ApplicationException(String.Format( _
            "The {0} publication already exists.", publicationName))
    End If
Catch ex As Exception
    ' Implement custom application error handling here.
    Throw New ApplicationException(String.Format( _
        "The publication {0} could not be created.", publicationName), ex)
Finally
    conn.Disconnect()
End Try

This example changes the properties of a merge publication.

         // Define the server, database, and publication names
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2008R2";

            MergePublication publication;

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

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

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


                // If we can't get the properties for this merge publication, then throw an application exception.
                if (publication.LoadProperties())
                {
                    // If DDL replication is currently enabled, disable it.
                    if (publication.ReplicateDdl == DdlReplicationOptions.All)
                    {
                        publication.ReplicateDdl = DdlReplicationOptions.None;
                    }
                    else
                    {
                        publication.ReplicateDdl = DdlReplicationOptions.All;
                    }
                }
                else
                {
                    throw new ApplicationException(String.Format(
                        "Settings could not be retrieved for the publication. " +
                        "Ensure that the publication {0} exists on {1}.",
                        publicationName, publisherName));
                }
            }
            catch (Exception ex)
            {
                // Do error handling here.
                throw new ApplicationException(
                    "The publication property could not be changed.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, database, and publication names
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2008R2"

Dim publication As MergePublication

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' If we can't get the properties for this merge publication, then throw an application exception.
    If publication.LoadProperties() Then
        ' If DDL replication is currently enabled, disable it.
        If publication.ReplicateDdl = DdlReplicationOptions.All Then
            publication.ReplicateDdl = DdlReplicationOptions.None
        Else
            publication.ReplicateDdl = DdlReplicationOptions.All
        End If
    Else
        Throw New ApplicationException(String.Format( _
         "Settings could not be retrieved for the publication. " + _
         "Ensure that the publication {0} exists on {1}.", _
         publicationName, publisherName))
    End If
Catch ex As Exception
    ' Do error handling here.
    Throw New ApplicationException( _
        "The publication property could not be changed.", ex)
Finally
    conn.Disconnect()
End Try

This example deletes a merge publication.

           // Define the Publisher, publication database, 
            // and publication names.
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2008R2";

            MergePublication publication;
            ReplicationDatabase publicationDb;

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

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

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

                // Delete the publication, if it exists and has no subscriptions.
                if (publication.LoadProperties() && !publication.HasSubscription)
                {
                    publication.Remove();
                }
                else
                {
                    // Do something here if the publication does not exist
                    // or has subscriptions.
                    throw new ApplicationException(String.Format(
                        "The publication {0} could not be deleted. " +
                        "Ensure that the publication exists and that all " +
                        "subscriptions have been deleted.",
                        publicationName, publisherName));
                }

                // If no other merge publications exists,
                // disable publishing on the database.
                publicationDb = new ReplicationDatabase(publicationDbName, conn);
                if (publicationDb.LoadProperties())
                {
                    if (publicationDb.MergePublications.Count == 0 && publicationDb.EnabledMergePublishing)
                    {
                        publicationDb.EnabledMergePublishing = false;
                    }
                }
                else
                {
                    // Do something here if the database does not exist.
                    throw new ApplicationException(String.Format(
                        "The database {0} does not exist on {1}.",
                        publicationDbName, publisherName));
                }
            }
            catch (Exception ex)
            {
                // Implement application error handling here.
                throw new ApplicationException(String.Format(
                    "The publication {0} could not be deleted.",
                    publicationName), ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the Publisher, publication database, 
' and publication names.
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2008R2"

Dim publication As MergePublication
Dim publicationDb As ReplicationDatabase

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Set the required properties for the merge publication.
    publication = New MergePublication()
    publication.ConnectionContext = conn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName

    ' Delete the publication, if it exists and has no subscriptions.
    If (publication.LoadProperties() And Not publication.HasSubscription) Then
        publication.Remove()
    Else
        ' Do something here if the publication does not exist
        ' or has subscriptions.
        Throw New ApplicationException(String.Format( _
         "The publication {0} could not be deleted. " + _
         "Ensure that the publication exists and that all " + _
         "subscriptions have been deleted.", _
         publicationName, publisherName))
    End If

    ' If no other merge publications exists,
    ' disable publishing on the database.
    publicationDb = New ReplicationDatabase(publicationDbName, conn)
    If publicationDb.LoadProperties() Then
        If publicationDb.MergePublications.Count = 0 _
        And publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = False
        End If
    Else
        ' Do something here if the database does not exist.
        Throw New ApplicationException(String.Format( _
         "The database {0} does not exist on {1}.", _
         publicationDbName, publisherName))
    End If
Catch ex As Exception
    ' Implement application error handling here.
    Throw New ApplicationException(String.Format( _
     "The publication {0} could not be deleted.", _
     publicationName), ex)
Finally
    conn.Disconnect()
End Try

Protezione dei thread

I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.