Here is another scenario where you might confront this error. If you rename your project so that the file name of the assembly changes, it’s possible for you to have two versions of your ASP.NET assembly, which will reproduce this error. The solution is to go to your bin folder and delete the old dlls. … Read more
@RequestMapping(value = “/files/{file_name}”, method = RequestMethod.GET) public void getFile( @PathVariable(“file_name”) String fileName, HttpServletResponse response) { try { // get your file as InputStream InputStream is = …; // copy it to response’s OutputStream org.apache.commons.io.IOUtils.copy(is, response.getOutputStream()); response.flushBuffer(); } catch (IOException ex) { log.info(“Error writing file to output stream. Filename was ‘{}'”, fileName, ex); throw new RuntimeException(“IOError … Read more
Use the base controllers File method. public ActionResult Image(string id) { var dir = Server.MapPath(“/Images”); var path = Path.Combine(dir, id + “.jpg”); //validate the path for security or use other means to generate the path. return base.File(path, “image/jpeg”); } As a note, this seems to be fairly efficient. I did a test where I requested … Read more
You can pass the id as part of the routeValues parameter of the RedirectToAction() method. return RedirectToAction(“Action”, new { id = 99 }); This will cause a redirect to Site/Controller/Action/99. No need for temp or any kind of view data.