期待：100-继续 [英] Expect: 100-continue

问题描述

关于这个主题有很多问题，但是 - 他们没有给我任何答案。

There are a lot of questions on this topic, but - they gave me no answer.

从建议开始 - 有一个设置 ServicePointManager.Expect100Continue = false 。但这是不可接受的，因为这将是一个模块，与其他十几个同步工作。如此可接受的解决方案 - 是每个连接属性。有建议如何设置它，但它似乎没有工作。

As from advices - there is one to set ServicePointManager.Expect100Continue = false. But it is not acceptable because this will be a module, asynchroniously working along with dozen of others. So acceptable solution - is per-connection property. There are advices how to set this, but it doesn't seem to be working.

这是代码：

var conuri = new Uri(connectionString);
var sp = ServicePointManager.FindServicePoint(conuri);
sp.Expect100Continue = false;

_request = (HttpWebRequest)WebRequest.Create(conuri);
_request.ContentType = "text/xml";
_request.Method = "POST";

_request.ContentLength = dataToSend.Length;
requestStream = _request.GetRequestStream();
requestStream.Write(dataToSend, 0, dataToSend.Length);

问题是，在requestStream.Write点 - 标题期望：100-continue 仍然被添加，但它不应该根据我在这里读到的建议： C＃Expect100Continue标头请求。

Problem is, that at the point "requestStream.Write" - header Expect: 100-continue is still added, but it shouldn't according to advice I've read here: C# Expect100Continue header request.

推荐答案

你可以这样做：

_request.ServicePoint.Expect100Continue = false;

这将禁用 Expect：100-continue 对于特定的 HttpWebRequest 实例。

This will disable the Expect: 100-continue for a particular HttpWebRequest instance.

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