OverwriteDestination 属性

Specifies whether a file at the destination can be overwritten.

命名空间：  Microsoft.SqlServer.Dts.Tasks.FtpTask
程序集：  Microsoft.SqlServer.FtpTask（在 Microsoft.SqlServer.FtpTask.dll 中）

语法

声明
Public Property OverwriteDestination As Boolean
    Get
    Set
用法
Dim instance As FtpTask
Dim value As Boolean

value = instance.OverwriteDestination

instance.OverwriteDestination = value

public bool OverwriteDestination { get; set; }

public:
virtual property bool OverwriteDestination {
    bool get () sealed;
    void set (bool value) sealed;
}

abstract OverwriteDestination : bool with get, set
override OverwriteDestination : bool with get, set

final function get OverwriteDestination () : boolean
final function set OverwriteDestination (value : boolean)

属性值

类型：System. . :: . .Boolean
true if the file at the destination can be overwritten with new data.

实现

IDTSFTPTask. . :: . .OverwriteDestination

示例

The following code example creates an FtpTask, then shows the default values it contains after creation. Some fields are empty, and must be explicitly set before the task is executed in the package.

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Tasks.FtpTask;

namespace FTPTask
{
    class Program
    {
        static void Main(string[] args)
        {
            Package pkg = new Package();
            Executable exec1 = pkg.Executables.Add("STOCK:FTPTask");
            TaskHost th = exec1 as TaskHost;

            // List the default values of the FTP task
            // using the Properties collection of the TaskHost.
            Console.WriteLine("Connection           {0}", th.Properties["Connection"].GetValue(th));
            Console.WriteLine("DebugMode            {0}", th.Properties["DebugMode"].GetValue(th));
            Console.WriteLine("ExecutionValue       {0}", th.Properties["ExecutionValue"].GetValue(th));
            Console.WriteLine("IsLocalPathVariable  {0}", th.Properties["IsLocalPathVariable"].GetValue(th));
            Console.WriteLine("IsRemotePathVariable {0}", th.Properties["IsRemotePathVariable"].GetValue(th));
            Console.WriteLine("IsTransferTypeASCII  {0}", th.Properties["IsTransferTypeASCII"].GetValue(th));
            Console.WriteLine("LocalPath            {0}", th.Properties["LocalPath"].GetValue(th));
            Console.WriteLine("Operation            {0}", th.Properties["Operation"].GetValue(th));
            Console.WriteLine("OperationName        {0}", th.Properties["OperationName"].GetValue(th));
            Console.WriteLine("OverwriteDestination {0}", th.Properties["OverwriteDestination"].GetValue(th));
            Console.WriteLine("RemotePath           {0}", th.Properties["RemotePath"].GetValue(th));
            Console.WriteLine("StopOnOperationFailure  {0}", th.Properties["StopOnOperationFailure"].GetValue(th));
            Console.WriteLine("SuspendRequired      {0}", th.Properties["SuspendRequired"].GetValue(th));

            Console.WriteLine("--------------------------");
            // Show how to set a property using the TaskHost Properties.
            th.Properties["Operation"].SetValue(th, DTSFTPOp.Receive);
            Console.WriteLine("New value of Operation:  {0}", th.Properties["Operation"].GetValue(th));
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Imports Microsoft.SqlServer.Dts.Tasks.FtpTask
 
Namespace FTPTask
    Class Program
        Shared  Sub Main(ByVal args() As String)
            Dim pkg As Package =  New Package() 
            Dim exec1 As Executable =  pkg.Executables.Add("STOCK:FTPTask") 
            Dim th As TaskHost =  exec1 as TaskHost 

            ' List the default values of the FTP task
            ' using the Properties collection of the TaskHost.
            Console.WriteLine("Connection           {0}", th.Properties("Connection").GetValue(th))
            Console.WriteLine("DebugMode            {0}", th.Properties("DebugMode").GetValue(th))
            Console.WriteLine("ExecutionValue       {0}", th.Properties("ExecutionValue").GetValue(th))
            Console.WriteLine("IsLocalPathVariable  {0}", th.Properties("IsLocalPathVariable").GetValue(th))
            Console.WriteLine("IsRemotePathVariable {0}", th.Properties("IsRemotePathVariable").GetValue(th))
            Console.WriteLine("IsTransferTypeASCII  {0}", th.Properties("IsTransferTypeASCII").GetValue(th))
            Console.WriteLine("LocalPath            {0}", th.Properties("LocalPath").GetValue(th))
            Console.WriteLine("Operation            {0}", th.Properties("Operation").GetValue(th))
            Console.WriteLine("OperationName        {0}", th.Properties("OperationName").GetValue(th))
            Console.WriteLine("OverwriteDestination {0}", th.Properties("OverwriteDestination").GetValue(th))
            Console.WriteLine("RemotePath           {0}", th.Properties("RemotePath").GetValue(th))
            Console.WriteLine("StopOnOperationFailure  {0}", th.Properties("StopOnOperationFailure").GetValue(th))
            Console.WriteLine("SuspendRequired      {0}", th.Properties("SuspendRequired").GetValue(th))
 
            Console.WriteLine("--------------------------")
            ' Show how to set a property using the TaskHost Properties.
            th.Properties("Operation").SetValue(th, DTSFTPOp.Receive)
            Console.WriteLine("New value of Operation:  {0}", th.Properties("Operation").GetValue(th))
        End Sub
    End Class
End Namespace

Sample Output:

Connection

DebugMode False

ExecutionValue 0

IsLocalPathVariable False

IsRemotePathVariable False

IsTransferTypeASCII False

LocalPath

Operation 0

OperationName

OverwriteDestination False

RemotePath

StopOnOperationFailure True

SuspendRequired False

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

New value of Operation: 1

请参阅

参考

FtpTask 类

Microsoft.SqlServer.Dts.Tasks.FtpTask 命名空间