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Propriété ValueIndex

Gets or sets the index into the array for those enumerators that provide collections as their value.

Espace de noms :  Microsoft.SqlServer.Dts.Runtime
Assembly :  Microsoft.SqlServer.ManagedDTS (en Microsoft.SqlServer.ManagedDTS.dll)

Syntaxe

'Déclaration
Public Property ValueIndex As Object
    Get
    Set
'Utilisation
Dim instance As ForEachVariableMapping
Dim value As Object

value = instance.ValueIndex

instance.ValueIndex = value

public Object ValueIndex { get; set; }

public:
property Object^ ValueIndex {
    Object^ get ();
    void set (Object^ value);
}

member ValueIndex : Object with get, set

function get ValueIndex () : Object
function set ValueIndex (value : Object)

Valeur de propriété

Type : System. . :: . .Object
An object that is the index into the array.

Exemples

The following code example creates a ForEachVariableMapping, sets the read-write properties, views the read-only properties, and sets up a mapping using the VariableName and ValueIndex properties.

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Runtime.Enumerators;
using Microsoft.SqlServer.Dts.Runtime.Enumerators.Item;

namespace Microsoft.SqlServer.SSIS.Samples
{
    class Program
    {
        public static void Main()
        {
            // Create the new application and package.
            Application app = new Application();
            Package package = new Package();

            // Create ForEachLoop task
            Executables executables = package.Executables;
            ForEachLoop forEachLoop = executables.Add("STOCK:FOREACHLOOP") as ForEachLoop;
  
            // Create a VariableMappings and VariableMapping objects.
            ForEachVariableMappings forEachVariableMappings = forEachLoop.VariableMappings;
            ForEachVariableMapping forEachVariableMapping = forEachVariableMappings.Add();
            // Set the properties.
            forEachVariableMapping.Description = "My ForEach Variable Mapping";
            forEachVariableMapping.Name = "My Name is ForEachVariableMapping";
            
            // View the read-only properties. CreationName can be blank.
            Console.WriteLine("ID:           {0}", forEachVariableMapping.ID);
            Console.WriteLine("CreationName: {0}", forEachVariableMapping.CreationName);

            // Create a mapping between the variable and its value.
            forEachVariableMapping.VariableName = @"Id";
            forEachVariableMapping.ValueIndex = 0;

            // Add other tasks to ForEachLoop container.
            //...

            // Run the package when the rest of the code is finished. 
            DTSExecResult status = package.Execute();
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Imports Microsoft.SqlServer.Dts.Runtime.Enumerators
Imports Microsoft.SqlServer.Dts.Runtime.Enumerators.Item

Namespace Microsoft.SqlServer.SSIS.Samples
   
   Class Program
      
      Public Shared Sub Main()
         ' Create the new application and package.
         Dim app As New Application()
         Dim package As New Package()
         
         ' Create ForEachLoop task
         Dim executables As Executables = package.Executables
         Dim forEachLoop As ForEachLoop = CType(executables.Add("STOCK:FOREACHLOOP"), ForEachLoop)
         
         ' Create a VariableMappings and VariableMapping objects.
         Dim forEachVariableMappings As ForEachVariableMappings = forEachLoop.VariableMappings
         Dim forEachVariableMapping As ForEachVariableMapping = forEachVariableMappings.Add()
         ' Set the properties.
         forEachVariableMapping.Description = "My ForEach Variable Mapping"
         forEachVariableMapping.Name = "My Name is ForEachVariableMapping"
         
         ' View the read-only properties. CreationName can be blank.
         Console.WriteLine("ID:           {0}", forEachVariableMapping.ID)
         Console.WriteLine("CreationName: {0}", forEachVariableMapping.CreationName)
         
         ' Create a mapping between the variable and its value.
         forEachVariableMapping.VariableName = "Id"
         forEachVariableMapping.ValueIndex = 0
         
         Console.WriteLine()
         
         ' Add other tasks to ForEachLoop container.
         '...
         ' Run the package when the rest of the code is finished. 
         Dim status As DTSExecResult = package.Execute()
      End Sub 'Main
   End Class 'Program
End Namespace 'Microsoft.SqlServer.SSIS.Samples

Sample Output:

ID: {DDCF34B7-853F-4013-B924-93D1A00DEC3F}

CreationName: