C# 从 NameValueCollection 发送值
如何获取 NameValueCollection 值的 POST 的内容长度？
我正在添加“Content-Length”标头，但不知道要在其中放入什么。
public static string Post (string url, NameValueCollection formData)
{
string response;
int length = formData.???
using (WebClient webClient = new WebClient())
{
webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
webClient.Headers.Add ("Content-Length", length);
byte[] responseBytes = webClient.UploadValues (url, "POST", formData);
response = Encoding.UTF8.GetString (responseBytes);
}
return response;
}
How do I get the Content-Length for a POST of NameValueCollection values?
I am adding the "Content-Length" header, but don't know what to put in it.
public static string Post (string url, NameValueCollection formData)
{
string response;
int length = formData.???
using (WebClient webClient = new WebClient())
{
webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
webClient.Headers.Add ("Content-Length", length);
byte[] responseBytes = webClient.UploadValues (url, "POST", formData);
response = Encoding.UTF8.GetString (responseBytes);
}
return response;
}
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您无法在 WebClient 上设置该属性
You can not set that property on a WebClient