Connections.Remove(Object) Methode
Definition
Wichtig
Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.
Entfernt ein ConnectionManager-Objekt aus der Connections-Auflistung.
public:
void Remove(System::Object ^ index);
public void Remove (object index);
member this.Remove : obj -> unit
Public Sub Remove (index As Object)
Parameter
- index
- Object
Der Name oder Index bzw. die Identität oder ID des ConnectionManager-Objekts, das entfernt werden soll.
Beispiele
Im folgenden Codebeispiel wird der neu hinzugefügte ADO.NET Verbindungs-Manager aus der Auflistung entfernt.
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
namespace Connections_Collection
{
class Program
{
static void Main(string[] args)
{
// The package is one of the SSIS Samples.
string mySample = @"C:\Program Files\Microsoft SQL Server\100\Samples\Integration Services\Package Samples\ExecuteProcess Sample\ExecuteProcess\UsingExecuteProcess.dtsx";
// Create an application and load the sample.
Application app = new Application();
Package pkg = app.LoadPackage(mySample, null);
Connections myConns = pkg.Connections;
// Show how many connections are in the package.
int myConnsCount = myConns.Count;
Console.WriteLine("The number of connections is: {0}", myConnsCount);
// Add an OLEDB connection manager.
ConnectionManager myConn = pkg.Connections.Add("OLEDB");
myConn.Name = "My OLEDB ConnectionManager";
myConn.ConnectionString = "Data Source=.;Initial Catalog=AdventureWorks;Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Auto Translate=False;";
// Verify the addition of one connection manager.
myConnsCount = myConns.Count;
Console.WriteLine("The number of connections now is: {0}", myConnsCount);
// Write out the names of the connection managers.
foreach (ConnectionManager myCMgrs in myConns)
{
Console.WriteLine("Name: {0}", myCMgrs.Name);
Console.WriteLine("ID: {0}", myCMgrs.ID);
Console.WriteLine("--------------------------------------------");
}
// Remove the connection manager by name.
pkg.Connections.Remove("My OLEDB ConnectionManager");
// Verify the removal of the connection manager.
myConnsCount = myConns.Count;
Console.WriteLine("The number of connections is finally: {0}", myConnsCount);
// Using the Contains method, verify if the connection is in the collection.
Boolean connRemoved = myConns.Contains("My OLEDB ConnectionManager");
Console.WriteLine("The connection is still in the collection? {0}", connRemoved);
Console.WriteLine();
}
}
}
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Namespace Connections_Collection
Class Program
Shared Sub Main(ByVal args() As String)
' The package is one of the SSIS Samples.
Dim mySample As String = "C:\Program Files\Microsoft SQL Server\100\Samples\Integration Services\Package Samples\ExecuteProcess Sample\ExecuteProcess\UsingExecuteProcess.dtsx"
' Create an application and load the sample.
Dim app As Application = New Application()
Dim pkg As Package = app.LoadPackage(mySample,Nothing)
Dim myConns As Connections = pkg.Connections
' Show how many connections are in the package.
Dim myConnsCount As Integer = myConns.Count
Console.WriteLine("The number of connections is: {0}", myConnsCount)
' Add an OLEDB connection manager.
Dim myConn As ConnectionManager = pkg.Connections.Add("OLEDB")
myConn.Name = "My OLEDB ConnectionManager"
myConn.ConnectionString = "Data Source=.;Initial Catalog=AdventureWorks;Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Auto Translate=False;"
' Verify the addition of one connection manager.
myConnsCount = myConns.Count
Console.WriteLine("The number of connections now is: {0}", myConnsCount)
' Write out the names of the connection managers.
Dim myCMgrs As ConnectionManager
For Each myCMgrs In myConns
Console.WriteLine("Name: {0}", myCMgrs.Name)
Console.WriteLine("ID: {0}", myCMgrs.ID)
Console.WriteLine("--------------------------------------------")
Next
' Remove the connection manager by name.
pkg.Connections.Remove("My OLEDB ConnectionManager")
' Verify the removal of the connection manager.
myConnsCount = myConns.Count
Console.WriteLine("The number of connections is finally: {0}", myConnsCount)
' Using the Contains method, verify if the connection is in the collection.
Dim connRemoved As Boolean = myConns.Contains("My OLEDB ConnectionManager")
Console.WriteLine("The connection is still in the collection? {0}", connRemoved)
Console.WriteLine()
End Sub
End Class
End Namespace
Beispielausgabe:
The number of connections is: 3
The number of connections now is: 4
Name: Create_Execute_Process_Dest.sql
ID: {B52C0D78-5402-4544-BFEC-2BE203900C91}
--------------------------------------------
Name: customers
ID: {4F945623-B43F-470F-9D1E-D2A0B09177AE}
--------------------------------------------
Name: localhost.AdventureWorks
ID: {47179DDF-BD08-4E29-87C4-3A3D77105C2B}
--------------------------------------------
Name: My OLEDB ConnectionManager
ID: {90DF568E-ECB1-46D2-8DCB-3E2C67391E64}
--------------------------------------------
The number of connections is finally: 3
The connection is still in the collection? False