system.dll中出现'system.net.webexception'类型的异常，但未在用户代码中处理，服务器返回错误：（400）错误请求

问题描述

我正在使用每日动作API来上传视频但是当我选择10 mb或更大时，则10 mb文件会返回错误。



我是什么尝试过：



代码是

私有静态UploadedResponse PublishVideo（UploadResponse uploadResponse，string accessToken ）
 {
 var request = WebRequest.Create（https://api.dailymotion.com/me/videos?url=+ HttpUtility.UrlEncode（uploadResponse.url））; 
 request.Method =POST; 
 request.ContentType =application / x-www-form-urlencoded; 
 request.Headers.Add（授权，OAuth+ accessToken）; 
 
 var requestString = String.Format（title = {0}& tags = {1}& channel = {2}& published = {3}，
 HttpUtility。 UrlEncode（Some new Title），
 HttpUtility.UrlEncode（Tags），
 HttpUtility.UrlEncode（news），
 HttpUtility.UrlEncode（true））; 
 
 var requestBytes = Encoding.UTF8.GetBytes（requestString）; 
 
 var requestStream = request.GetRequestStream（）; 
 
 requestStream.Write（requestBytes，0，requestBytes.Length）; 
 
 var response = request.GetResponse（）; 
 
 var responseStream = response.GetResponseStream（）; 
 string responseString; 
 using（var reader = new StreamReader（responseStream））
 {
 responseString = reader.ReadToEnd（）; 
} 
 
 var uploadedResponse = JsonConvert.DeserializeObject< UploadedResponse>（responseString）; 
 return uploadedResponse; 
} 
 

和发生错误的代码是

 var response = request.GetResponse（）; 

有人可以纠正错误。

解决方案

i am using daily motion API for uploading videos but when i choose 10 mb or greater then 10 mb file is returns the error.

What I have tried:

the code is

private static UploadedResponse PublishVideo(UploadResponse uploadResponse, string accessToken)
       {
           var request = WebRequest.Create("https://api.dailymotion.com/me/videos?url=" + HttpUtility.UrlEncode(uploadResponse.url));
           request.Method = "POST";
           request.ContentType = "application/x-www-form-urlencoded";
           request.Headers.Add("Authorization", "OAuth " + accessToken);

       var requestString = String.Format("title={0}&tags={1}&channel={2}&published={3}",
           HttpUtility.UrlEncode("Some new Title"),
           HttpUtility.UrlEncode("Tags"),
           HttpUtility.UrlEncode("news"),
           HttpUtility.UrlEncode("true"));

       var requestBytes = Encoding.UTF8.GetBytes(requestString);

       var requestStream = request.GetRequestStream();

       requestStream.Write(requestBytes, 0, requestBytes.Length);

       var response = request.GetResponse();

       var responseStream = response.GetResponseStream();
       string responseString;
       using (var reader = new StreamReader(responseStream))
       {
           responseString = reader.ReadToEnd();
       }

       var uploadedResponse = JsonConvert.DeserializeObject<UploadedResponse>(responseString);
       return uploadedResponse;
   }

and the code where error is occurred is

var response = request.GetResponse(); 

some one could rectify the error .

解决方案

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