public ActionResult OnPostSendPic() { if ((this.Request != null) && (this.Request.Form != null)) { var files = this.Request.Form.Files; string PicTitle = CCommon.UnencodeQuotes(this.Request.Form.FirstOrDefault(kv => kv.Key == "picTitle").Value); int imgTID = Int32.Parse(this.Request.Form.FirstOrDefault(kv => kv.Key == "taskId").Value); int imgPID = Int32.Parse(this.Request.Form.FirstOrDefault(kv => kv.Key == "picId").Value); if (files != null && (files.Count == 1) && (imgTID >= 0)) { string folderName = @"Tasks\Images"; string webRootPath = hostEnv.WebRootPath; Pic pic = new Pic(imgTID, imgPID, PicTitle); string newPath = Path.Combine(webRootPath, folderName); if (!Directory.Exists(newPath)) { Directory.CreateDirectory(newPath); } string picFilename = ""; foreach (IFormFile item in files) { if (item.Length > 0) { string fileName = ContentDispositionHeaderValue.Parse(item.ContentDisposition).FileName.Trim('"'); picFilename = pic.GetFileName(fileName); string fullPath = Path.Combine(newPath, picFilename); if (System.IO.File.Exists(fullPath)) { System.IO.File.Delete(fullPath); } using (var stream = new FileStream(fullPath, FileMode.Create)) { item.CopyTo(stream); } } } return(this.Content("Success:" + "Images" + "/" + picFilename)); // Send back URL } } return(this.Content("Fail")); }