//新增命名引用空間
using system.net;
using system.io;
using system.threading;
namespace 利用webclient實現檔案傳送
private void startdownload()
catch (webexception ex)
webclient downloadclient = new webclient();
trycatch (webexception ex)
buttondownload.enabled = true;
}private void buttondownload_click(object sender, eventargs e)
thread thdownload = new thread(new threadstart(startdownload));
thdownload.start();
}private void buttonfind1_click(object sender, eventargs e)
}//上傳檔案
private void startupload()
else
uristring = uristring + filename;
//建立webclient例項
webclient uploadclient = new webclient();
//獲取與ftp伺服器通訊的憑據
uploadclient.credentials = credentialcache.defaultcredentials;
//以檔案流方式上傳檔案
filestream fs = new filestream(filename, filemode.open, fileaccess.read);
//採用二進位制資料流
binaryreader r = new binaryreader(fs);
tryelse
poststream.close();
}catch (webexception ex)}}
private void buttonfind_click(object sender, eventargs e)}}
private void buttonupload_click(object sender, eventargs e)}}
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