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09/24/2010

ID 屬性

Gets a String that contains the unique ID assigned to the variable. This is usually a GUID. This property is read-only.

命名空間： Microsoft.SqlServer.Dts.Runtime
組件： Microsoft.SqlServer.ManagedDTS (在 Microsoft.SqlServer.ManagedDTS.dll 中)

語法

'宣告
Public ReadOnly Property ID As String
    Get
'用途
Dim instance As ForEachVariableMapping
Dim value As String

value = instance.ID

public string ID { get; }

public:
virtual property String^ ID {
    String^ get () sealed;
}

abstract ID : string
override ID : string

final function get ID () : String

屬性值

型別：System. . :: . .String
A String that contains a unique ID, usually a GUID.

實作

IDTSName. . :: . .ID

範例

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: