Variables.Remove メソッド
Variable オブジェクトを Variables コレクションから削除します。
名前空間: Microsoft.SqlServer.Dts.Runtime
アセンブリ: Microsoft.SqlServer.ManagedDTS (Microsoft.SqlServer.ManagedDTS.dll)
構文
'宣言
Public Sub Remove ( _
index As Object _
)
'使用
Dim instance As Variables
Dim index As Object
instance.Remove(index)
public void Remove(
Object index
)
public:
void Remove(
Object^ index
)
member Remove :
index:Object -> unit
public function Remove(
index : Object
)
パラメーター
- index
型: System.Object
コレクションから削除する Variable オブジェクトの名前、ID、説明、またはインデックスです。
使用例
次のコード例では、変数を空のパッケージに追加します。 この変数は、myCustomVar という名前が付けられ、値 3 が指定され、User 名前空間に配置されます。 次に、Remove メソッドを使用して、この変数が削除されます。
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
namespace Add_Remove_Vars
{
class Program
{
static void Main(string[] args)
{
Package pkg = new Package();
Variables pkgVars = pkg.Variables;
Variable myVar = pkg.Variables.Add("myCustomVar", false, "User", "3");
// Verify whether the variable is in the collection now.
Boolean hasMyVar = pkg.Variables.Contains("myCustomVar");
Console.WriteLine("The variable was found? {0}", hasMyVar);
Console.WriteLine("---------------------------");
// Loop over the collection using the foreach keyword.
foreach (Variable pkgVar in pkgVars)
{
// Print variables only from the User namespace.
if (pkgVar.Namespace == "User")
{
Console.WriteLine("Variable: {0}, {1}", pkgVar.Name, pkgVar.Value.ToString());
}
}
Console.WriteLine("---------------------------");
// Remove the variable from the namespace.
pkg.Variables.Remove("myCustomVar");
// Loop over the collection again.
foreach (Variable pkgVar in pkgVars)
{
// Print variables only from the User namespace. Nothing should show.
if (pkgVar.Namespace == "User")
{
Console.WriteLine("Variable: {0}, {1}", pkgVar.Name, pkgVar.Value.ToString());
}
}
Console.WriteLine("---------------------------");
Console.WriteLine("");
}
}
}
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Namespace Add_Remove_Vars
Class Program
Shared Sub Main(ByVal args() As String)
Dim pkg As Package = New Package()
Dim pkgVars As Variables = pkg.Variables
Dim myVar As Variable = pkg.Variables.Add("myCustomVar",False,"User","3")
' Verify whether the variable is in the collection now.
Dim hasMyVar As Boolean = pkg.Variables.Contains("myCustomVar")
Console.WriteLine("The variable was found? {0}", hasMyVar)
Console.WriteLine("---------------------------")
' Loop over the collection using the foreach keyword.
Dim pkgVar As Variable
For Each pkgVar In pkgVars
' Print variables only from the User namespace.
If pkgVar.Namespace = "User" Then
Console.WriteLine("Variable: {0}, {1}", pkgVar.Name, pkgVar.Value.ToString())
End If
Next
Console.WriteLine("---------------------------")
' Remove the variable from the namespace.
pkg.Variables.Remove("myCustomVar")
' Loop over the collection again.
Dim pkgVar As Variable
For Each pkgVar In pkgVars
' Print variables only from the User namespace. Nothing should show.
If pkgVar.Namespace = "User" Then
Console.WriteLine("Variable: {0}, {1}", pkgVar.Name, pkgVar.Value.ToString())
End If
Next
Console.WriteLine("---------------------------")
Console.WriteLine("")
End Sub
End Class
End Namespace
サンプル出力:
The variable was found? True
---------------------------
Variable: myCustomVar, 3
---------------------------
---------------------------