c# forbidden.html,c# - WebClient (403) Forbidden - Stack Overflow

本文探讨了使用Dropbox直接链接文件时遇到的HTTP重定向问题,尝试通过`WebRequest`获取redirect URI但遭遇403 Forbidden错误。作者尝试添加User-Agent头但仍无果。寻求解决WebClient下载文件并设置User-Agent的方法,包括相关代码示例。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

I'm using Dropbox to store my files and when I use a direct link I get a HTTP redirect. But I'm able to get the redirect URI with...

var request = WebRequest.Create(MySQLData);

request.Method = "HEAD";

var response = request.GetResponse();

However I get "The remote server returned an error: (403) Forbidden." So then I added a User-Agent header, but it still returned the same error. I'm not sure what to try next.

WebClient wc = new WebClient();

wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(MySQLData_Check);

wc.DownloadFileCompleted += DownloadCompleted_MySQLData;

var request = WebRequest.Create(MySQLData);

request.Method = "HEAD";

var response = request.GetResponse();

wc.Headers.Add("User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)");

wc.DownloadFileAsync(new Uri(response.ResponseUri.ToString()), RootWindow_TextBox_SaveToDir.Text + "/" + "MySQLData");

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值