Lenguaje

Executables.Item[Object] Propiedad

Definición

Obtiene un Executable objeto de la colección.

public:
 property Microsoft::SqlServer::Dts::Runtime::Executable ^ default[System::Object ^] { Microsoft::SqlServer::Dts::Runtime::Executable ^ get(System::Object ^ index); };
public Microsoft.SqlServer.Dts.Runtime.Executable this[object index] { get; }
member this.Item(obj) : Microsoft.SqlServer.Dts.Runtime.Executable
Default Public ReadOnly Property Item(index As Object) As Executable

Parámetros

index
Object

Índice del Executable objeto que se va a devolver.

Valor de propiedad

Un Executable objeto de la colección.

Ejemplos

El siguiente ejemplo es una modificación de la muestra encontrada en Remove. Elimina el ejecutable usando la sintaxis del elemento.

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  

Salida de muestra:

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

Comentarios

Si la llamada al Contains método devuelve true, puedes acceder al elemento especificado en la colección usando la sintaxis Executables[index]. Si devuelve Containsfalse, esta propiedad genera una excepción. En C#, esta propiedad es el indexador de la Executables clase .

Se aplica a