Aracılığıyla paylaş

  • Makale

Executables.Item Özelliği

Döndürür bir Executable gelen nesne koleksiyon.

Ad Alanı:  Microsoft.SqlServer.Dts.Runtime
Derleme:  Microsoft.SqlServer.ManagedDTS (Microsoft.SqlServer.ManagedDTS içinde.dll)

Sözdizimi

'Bildirim
Public ReadOnly Default Property Item ( _
    index As Object _
) As Executable
    Get
'Kullanım
Dim instance As Executables
Dim index As Object
Dim value As Executable

value = instance(index)

public Executable this[
    Object index
] { get; }

public:
property Executable^ default[Object^ index] {
    Executable^ get (Object^ index);
}

member Item : Executable

JScript, dizinli özelliklerin kullanılmasını destekler, ancak yenilerinin bildirilmesini desteklemez.

Parametreler

Açıklamalar

Çağrı Contains yöntem döndürür doğru, belirtilen öğe erişebilirsiniz koleksiyon sözdizimini kullanarak Executables[index].Contains Verir yanlış, bu özellik bir istisna atar.C# ile dizinleyici için bu özellik olan Executables WalkTree

Örnekler

Aşağıdaki örnek Kaldır'de bulunan örnek bir değişiklik olur.Bu öğe sözdizimi kullanarak çalýþtýrýlabilir dosyayý kaldırır.

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Tasks.BulkInsertTask;

namespace Executables_API
{
        class Program
        {
                static void Main(string[] args)
                {
                    Executable exec = pkg.Executables.Add("STOCK:BulkInsertTask");
                    TaskHost myTask = exec as TaskHost;
                    BulkInsertTask myBI = myTask.InnerObject as BulkInsertTask;
                    myBI.DebugMode = false;
                    myBI.CheckConstraints = false;
                    myBI.KeepIdentity = true;

                    // Obtain the collection.
                    Executables pgkExecs = pkg.Executables;
                    // Show the number of executables in the collection.
                    Console.WriteLine("The first package contains {0} executables", pgkExecs.Count);

                    // It is a requirement to Remove the task from the
                    // existing package before adding it to the new package.
                    // Remove the exectuable using the Executables[x] item syntax. 
                    DtsContainer c = (DtsContainer)pkg.Executables[0];
                    pkg.Executables.Remove(c);

                    // Show the number of executables in the collection afterwards.
                    Console.WriteLine("The first package now contains {0} executables", pgkExecs.Count);

                    Package pkg2 = new Package();
                    Executables p2Execs = pkg2.Executables;
                    // Show the number of executables in the second collection.
                    Console.WriteLine("The second package initially contains {0} executables", p2Execs.Count);
                    // Join the task from pkg to pkg2.
                    pkg2.Executables.Join(myTask);
                    // Show the number of executables in the second collection after Join.
                    Console.WriteLine("The second package now contains {0} executables", p2Execs.Count);

        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Imports Microsoft.SqlServer.Dts.Tasks.BulkInsertTask
 
Namespace Executables_API
        Class Program
                Shared  Sub Main(ByVal args() As String)
                    Dim exec As Executable =  pkg.Executables.Add("STOCK:BulkInsertTask") 
                    Dim myTask As TaskHost =  exec as TaskHost 
                    Dim myBI As BulkInsertTask =  myTask.InnerObject as BulkInsertTask 
                    myBI.DebugMode = False
                    myBI.CheckConstraints = False
                    myBI.KeepIdentity = True
 
                    ' Obtain the collection.
                    Dim pgkExecs As Executables =  pkg.Executables 
                    ' Show the number of executables in the collection.
                    Console.WriteLine("The first package contains {0} executables", pgkExecs.Count)
 
                    ' It is a requirement to Remove the task from the
                    ' existing package before adding it to the new package.
                    ' Remove the exectuable using the Executables[x] item syntax. 
                    Dim c As DtsContainer = CType(pkg.Executables(0), DtsContainer)
                    pkg.Executables.Remove(c)
 
                    ' Show the number of executables in the collection afterwards.
                    Console.WriteLine("The first package now contains {0} executables", pgkExecs.Count)
 
                    Dim pkg2 As Package =  New Package() 
                    Dim p2Execs As Executables =  pkg2.Executables 
                    ' Show the number of executables in the second collection.
                    Console.WriteLine("The second package initially contains {0} executables", p2Execs.Count)
                    ' Join the task from pkg to pkg2.
                    pkg2.Executables.Join(myTask)
                    ' Show the number of executables in the second collection after Join.
                    Console.WriteLine("The second package now contains {0} executables", p2Execs.Count)
 
                End Sub
        End Class
End Namespace

Örnek Çıktı:

The first package contains 1 executables

The first package now contains 0 executables

The second package initially contains 0 executables

The second package now contains 1 executables