Hi Admir,

We ever archived this using "jquery.autocomplete.js"  and add a handler in the module:

the script likes:

$("#<%=tbCity.ClientID%>").autocomplete("<%= ModulePath %>CityAutoCompleteAjaxAction.ashx", {
            width: 226,
            minChars: 2,
            mustMatch: true,
            autoFill: true,
            selectFirst: false,
            formatItem: function(data, i, n, value) {
                return value + ", " + data[1];
            },
            formatResult: function(data, value) {
                return value;
            },
            preventEnterSubmit: true
        }).result(function(event, data, formatted) {

            $('select.province').val(data[1]);
        });

code in handler:

public void ProcessRequest(HttpContext context)
        {
            var q = context.Request.QueryString["q"];
            if (q != null)
            {
                var cm = new CityController();
                var cityString = cm.GetCitiesStringByPrefix(q);
                context.Response.Write(cityString);
            }

        }

HTH

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