How to dynamically populate options on dropdown lists based on selection in another dropdown?

by

You should use AJAX.

With jQuery it is very simple:

$('#select1').change(function(){
$.ajax({
   //Send to php script category id. This script returns all subcategories
   $.ajax({
      type: "POST",
      url: location.href,
      data: data,
      success : function (data)
      {   
         // Your return categories in data
         // Append list options to select2
      } 
});
});

More Related Contents:

  1. html graphs from database [closed]
  2. Submit a form using Shift + Enter [duplicate]
  3. Calling a function on click of button in HTML/PHP [closed]
  4. check if link “still” exists [duplicate]
  5. Is the following code valid? [closed]
  6. Call php function from JavaScript
  7. Form inside of $.load not posting correctly
  8. Keep values selected after form submission
  9. How do I run PHP code when a user clicks on a link?
  10. First drop down menu to auto change the options of a second dropdown
  11. Execute javascript in PHP
  12. jQuery AJAX form using mail() PHP script sends email, but POST data from HTML form is undefined
  13. How can we open a link in private browsing mode
  14. How to preview an image before and after upload?
  15. How to save webpage as a image file using PHP?
  16. Javascript function post and call php script
  17. How to add anchor tag to a URL from text input
  18. Multiple javascript/css files: best practices?
  19. onbeforeprint() and onafterprint() equivalent for non IE browsers
  20. How to I send data from JavaScript to PHP and vice versa? [duplicate]
  21. Data transfer from JavaScript to PHP
  22. How to keep form values after post [duplicate]
  23. How to handle newlines in Javascript? (from PHP)
  24. Detect Ajax calling URL
  25. jQuery Multiple Forms Submit
  26. displaying a message after redirecting the user to another web page [duplicate]
  27. How to assign Php variable value to Javascript variable? [duplicate]
  28. Php condition doesn't work for html [closed]
  29. Divide php echo rows into 3 columns
  30. How do you parse and process HTML/XML in PHP?

Leave a Comment