积极答复者
请教:用C#,RSET,PUT更新SkyDrive文件的属性,怎么操作?

问题
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var d = new Dictionary<string, object>();
d.Add("is_embeddable", "true");
WebClient WC = new WebClient();
//WC.Headers.Add("Content-Type", "application/json");
JavaScriptSerializer JSS = new JavaScriptSerializer();
string ss = JSS.Serialize(d);
//ss = "Authorization: Bearer "+strAccessToken +"\r\n"+"Content-Type: application/json";
WC.UploadString(@"https://apis.live.net/v5.0/file.547671336b0c9bbf.547671336B0C9BBF!191?access_token=" + strAccessToken, "PUT",ss);报错,403,被禁止,请高手指点,我要打开文件的嵌入功能