could be as simple as that ...

$(document).ready(function(){
  $('#yourInput').change(function(){
    $.get(yourURL + '?' + $(this).val(), function(html){
      $('#divID').html(html);
    }
  })
});

>Hi,
>
>I am thinking of adding the following simple feature to one of the pages of ASP.NET application.
>
>User enters Part No. And the page should populate the textbox of unit price for this part (and maybe some other information, such as quantity, location). I know I can do it by reposting the page on user entering the Part No. and sending back the page with the values.
>
>But if I want to do it without reposting the page (as often you see today in the internet pages) should I use jQuery.ajax? I am just about to start viewing some courses on this topic on Pluralsight but would like to know that I am on the correct path.
>
>TIA for any suggestions.