ReplicationObject.LoadProperties 方法

定义

从服务器加载现有对象的属性。

public:
 bool LoadProperties();
public bool LoadProperties();
member this.LoadProperties : unit -> bool
Public Function LoadProperties () As Boolean

返回

一个Boolean值。 如果 true,则该对象存在于 Microsoft SQL Server 实例上。 如果 false,该对象在 SQL Server 实例上不存在。

示例

// Define the server, database, and publication names
string publisherName = publisherInstance;
string publicationName = "AdvWorksSalesOrdersMerge";
string publicationDbName = "AdventureWorks2012";

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 = "AdventureWorks2012"

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

注解

如果属性已经加载过,则不会重新加载。 如果它们不是最新的,就调用 Refresh 对象上的方法来刷新属性。

如果缺少关于该对象的足够信息,则会提出例外。 如果该对象不存在于服务器上,方法返回 false。 否则,属性被加载,方法返回 true

适用于