public string CreateUploadSession(string folderId, string fileName, long fileSize)
{
var file = FileUploader.VerifyChunkedUpload(folderId, fileName, fileSize, FilesSettings.UpdateIfExist);
var createSessionUrl = CommonLinkUtility.GetInitiateUploadSessionUrl(file.FolderID, file.ID, file.Title, file.ContentLength);
var request = (HttpWebRequest)WebRequest.Create(createSessionUrl);
request.Method = "POST";
request.ContentLength = 0;
using (var response = request.GetResponse())
using (var responseStream = response.GetResponseStream())
{
return(new StreamReader(responseStream).ReadToEnd()); //result is json string
}
}