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Variables.Remove Method

Removes a Variable object from the Variables collection.

Namespace:  Microsoft.SqlServer.Dts.Runtime
Assembly:  Microsoft.SqlServer.ManagedDTS (in Microsoft.SqlServer.ManagedDTS.dll)

'Declaration
Public Sub Remove ( _
	index As Object _
)
'Usage
Dim instance As Variables 
Dim index As Object

instance.Remove(index)

Parameters

index
Type: Object
The name, ID, description, or index of the Variable object to remove from the collection.

The following code example adds a variable to an empty package. The variable is named myCustomVar, is given a value of 3, and is located in the User namespace. The variable is then removed using the Remove method.

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

Sample Output:

The variable was found? True

---------------------------

Variable: myCustomVar, 3

---------------------------

---------------------------

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