How To Download File Using Javascript Ajax
When you use the ajax call in asp net mvc you just can return a json object but not a file if you want to do that you need to create and save the file in server and return it s path to ajax after that you can call a redirect link for download the file because this is a temp file so you should need to delete it after download.
How to download file using javascript ajax. When you use the ajax call in asp net mvc you can just return a json object but not a file. An example would be generating pdf files where the pdf content is dependent on the request. Using ajax to download files is not considered to be a good idea. Instead window location or document location should be used. It doesn t need php.
Downloading files from ajax post requests occasionally i stumble upon the need to download files from post requests. But it is also good to know how to send ajax request with plain javascript. In such cases when we need to use ajax to make a http post and then download a file the solution is to use a 2 pronged approach where we would first make the http post request and in the controller action we would store the file content in a memory stream. Currently most of the web applications show a normal link a href http download link for the users to download a file. In this article we are going to show you a couple of tricks to generate and download directly a file using pure javascript.
After that you can call a redirect link for downloading the file because this is a temp file so you should need to delete it after download. In this tutorial i show how you can send get and post ajax requests with javascript and handle the request with php. If you want to do that you need to create and save the file in server and return its path to ajax. Use the xmlhttprequest object to communicate with the server. It helps show the content of the site and redirects the user after a few seconds.
Javascript enabling is required. It is easier to send ajax requests using javascript libraries or frameworks.