In your action method, return Json(object) to return JSON to your page. Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as SomeMethod would be a javascript method that then evaluates the Json object returned. If you want to return a plain string, you … Read more
As you’re making a synchronous request, that should be Example – http://api.jquery.com/jQuery.ajax/#example-3 PLEASE NOTE: Setting async property to false is deprecated and in the process of being removed (link). Many browsers including Firefox and Chrome have already started to print a warning in the console if you use this: Chrome: Synchronous XMLHttpRequest on the main … Read more
The solution that was eventually implemented was to use a wrapper for the callback function of the Ajax call and in this wrapper check for the existence of a specific element on the returned HTML chunk. If the element was found then the wrapper executed a redirection. If not, the wrapper forwarded the call to … Read more
I think you need to have strings as the data values. It’s likely something internally within jQuery that isn’t encoding/serializing correctly the To & From Objects. Try: Notice also on the lines: You don’t need the jQuery wrapper as To & From are already jQuery objects.
Edit There appears to be a better LZW solution that handles Unicode strings correctly at http://pieroxy.net/blog/pages/lz-string/index.html (Thanks to pieroxy in the comments). I don’t know of any gzip implementations, but the jsolait library (the site seems to have gone away) has functions for LZW compression/decompression. The code is covered under the LGPL.
You could use the submitHandler option. Basically put the $.ajax call inside this handler, i.e. invert it with the validation setup logic. The jQuery.validate plugin will invoke the submit handler if the validation has passed.
Here’s what I use on my site:
The fact the character is a < make me think you have a PHP error, have you tried echoing all errors. Since I don’t have your database, I’m going through your code trying to find errors, so far, I’ve updated your JS file PHP Edit:
I finally stumbled upon this link “A CORS POST request works from plain javascript, but why not with jQuery?” that notes that jQuery 1.5.1 adds the header to all CORS requests. jQuery 1.5.2 does not do this. Also, according to the same question, setting a server response header of does not allow the response to … Read more
If you are totally new to AJAX (which stands for Asynchronous Javascript And XML), the AJAX entry on wikipedia is a good starting point: Like DHTML and LAMP, AJAX is not a technology in itself, but a group of technologies. AJAX uses a combination of: HTML and CSS for marking up and styling information. The DOM accessed … Read more