我在使用wp7.1和httpwebrequest方法开发应用程序时遇到了缓存问题。
HttpWebRequest request = HttpWebRequest. CreateHttp (s);
request. BeginGetResponse (new AsyncCallback (HandleResponse), request);
即使请求内容不同,请求结果也是相同的。而且在请求参数不同的情况下也是如此。我该如何解决这个问题?
谢谢。
我在使用wp7.1和httpwebrequest方法开发应用程序时遇到了缓存问题。
HttpWebRequest request = HttpWebRequest. CreateHttp (s);
request. BeginGetResponse (new AsyncCallback (HandleResponse), request);
即使请求内容不同,请求结果也是相同的。而且在请求参数不同的情况下也是如此。我该如何解决这个问题?
谢谢。
希望这能帮到你。试一下吧。
HttpWebRequest request = HttpWebRequest. CreateHttp (s);
request.Headers[HttpRequestHeader.CacheControl] = "no-cache";
request.Headers[HttpRequestHeader.Pragma] = "no-cache";
request.Headers[HttpRequestHeader.IfModifiedSince] = dateTime.Now.ToString();
request. BeginGetResponse (new AsyncCallback (HandleResponse), request);
/*request.Headers[HttpRequestHeader.IfModifiedSince] = dateTime.Now.ToString(); this forces your request to always be performed - this made the trick for me.*/
string s = uri + "?guid=" + Guid.NewGUID();
HttpWebRequest request = HttpWebRequest.CreateHttp(new Uri(s, UriKind.Absolute));
request. BeginGetResponse (new AsyncCallback (HandleResponse), request);