使用WebClient 发送https请求 The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

使用WebClient 发送https请求

使用WebClient发送请求时,并且是以https协议;

WebClient webClient = new WebClient();

string result = webClient.DownloadString(url);

error : The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

只需一行代码:

ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };//获取或设置用于验证服务器证书的回调。[SSL]

 

每个问题都有解决之法,遇到问题不要怕,解决问题才是提升最快的。

 

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