public ActionResult EditSubmission(ParamInputCreateModel param) { int res = 0; var userInfor = (UserLoginModel)Session[Helper.Commons.USER_SEESION]; var subInfor = dataAccess.GetSubmittionByID(param.Sub_ID); param.description = HttpUtility.HtmlDecode(RemoveHtmlTag(HttpUtility.HtmlDecode(param.description).Replace("<br />", "\n").Replace("</li>", "\n").Replace(" ", ""))); var inforSubmit = new SUBMITTION() { Sub_ID = param.Sub_ID, Sub_Title = param.title, Sub_Description = param.description, Updated_Date = DateTime.Now, Updated_By = userInfor.UserID }; res = dataAccess.EditSubmission(inforSubmit); var listOwnFile = dataAccess.GetFilesBySubCode(param.SubCode); if (param.files.Count() > 0) // if student has file change { // xoa file cũ trong Folder va DB var rootFolder = Server.MapPath("~/Uploads/FilesSubmitted/"); foreach (var item in listOwnFile) { if (System.IO.File.Exists(Path.Combine(rootFolder, item.File_Path))) { System.IO.File.Delete(Path.Combine(rootFolder, item.File_Path)); } var delete = dataAccess.DeleteFile(item.File_ID); } // edit file in DbContext and save new file foreach (var item in param.files) { var newFile = new FILE(); string filename = string.Format("{0}_{1}_{2}{3}", userInfor.Username, param.SubCode, DateTime.Now.Ticks.ToString(), System.IO.Path.GetExtension(item.FileName)); newFile.Sub_ID = param.Sub_ID; newFile.Sub_Code = param.SubCode; newFile.File_Name = item.FileName; newFile.File_Path = filename; item.SaveAs(rootFolder + filename); res = dataAccess.InsertFile(newFile); } } return(Json(res, JsonRequestBehavior.AllowGet)); }