protected void btnUpload_Click(object sender, EventArgs e) { CurrentLocation = ConfigurationManager.AppSettings["RootPath"]; // The file Extension string fileExtension = string.Empty; // The choosed file name string fileName = string.Empty; // The new file name in the server string newFileName = string.Empty; // Check if choosed a file if (!fuChooseFile.HasFile) { lbMessage.Text = "Please choose the file you want to upload. " + "Note: The file size cannot be zero."; return; } fileExtension = Path.GetExtension(fuChooseFile.FileName); fileName = string.Format("{0}\\{1}", CurrentLocation, (string.IsNullOrEmpty(fileExtension) ? fuChooseFile.FileName : fuChooseFile.FileName.Replace(fileExtension, ""))); if (fileExtension.ToLower() == ".exe" || fileExtension.ToLower() == ".msi") { lbMessage.Text = "The file you want to upload cannot be a .exe or .msi file."; return; } newFileName = fileName; // Check file size //if (fuChooseFile.PostedFile.ContentLength >= 1024*1024*40) //{ // lbMessage.Text = // "The file you want to upload cannot be larger than 40 MB."; // return; //} try { // If there is already a file with the same name in the system,rename // and then upload the file . int i = 0; while (File.Exists(newFileName + fileExtension)) { i++; newFileName = string.Format(fileName + "({0})", i); } fuChooseFile.SaveAs(Utilities.FixRoot(newFileName + fileExtension)); lbMessage.Text = string.Format("The file \"{0}\" was uploaded successfully!", Path.GetFileName(fileName)); ShowFolderItems(); } catch (HttpException he) { lbMessage.Text = string.Format("File {0} upload failed because of the following error:{1}.", fuChooseFile.PostedFile.FileName, he.Message); } //the file id var _file2 = new FileInfo(newFileName); var db = new CloudAppDbEntities(); var _file = new UserFile() { FName = Path.GetFileName(newFileName), FileName = Path.GetFileName(fileName), UploaderID = currentUserID, // don't forget to find currentuserID //FileSize = CommonUse.FormatFileSize((long)fuChooseFile.PostedFile.ContentLength) , FileSize = CommonUse.FormatFileSize((long)fuChooseFile.PostedFile.ContentLength), FileType = fileExtension, UploadTime = _file2.CreationTime, CourseID = null, ClassID = classID }; db.UserFile.Add(_file); db.SaveChanges(); }