$(document).ready(function(){
     $("#ctl00_txtCategory").autocomplete({
            source:function(request, response)
            {
                $.ajax({
                    type:"POST",
                    url:"WebService.asmx/BusinessCategoryList",
                    contentType:"application/json;charset=utf-8",
                    dataType:"json",
                    data:"{'param':'" + request.term + "'}",
                    dataFilter: function (data) { return data; },
                    success:function(data){
                        try{
                            var serverData=data.d.split(":");
                        }
                        catch(e){alert(e);}
                        response(serverData);
                    },
                    error: function (msg) {
                        //alert(msg);
                    }
                });
            },
          
            select: function(event, ui) {
	                   
            },
            minLength:2
        });
      });