Update: I have never worked on C. But there should be any built in JSON parser available. In java i create JSON format like this, JSONArray jsonArray new JSONArray() JSONObject jsonObject null For(Country country : countries). It explains how to implement jQuery UI Autocomplete feature with ASP.NET Web API and Entity Framework DB First approach. Suppose you have to display complete information of user selected item from auto-complete textbox. Im using the latest JQuery and JQuery UI libraries. The problem is that after the 3rd character is typed in a textbox (on a JQuery Modal Dialog), the spinning indicator appears but nothing appears in the AutoComplete dropdown.Its C, but it should be easily readable. Hope this helps. Cheers Description: In previous articles I explained Ajax autocomplete extender example and JQuery autocomplete textbox with images in asp.net. Now I will explain another article relating to autocomplete textbox with JQuery UI in asp.net. Roy Dictus Feb 25 15 at 9:13 Though I have removed jquery-ui.min.js I am getting the same error.c - Implement jQuery AutoComplete TextBox from database using AJAX PageMethods in ASP.