$(function () {
        SearchText();
    });
    function SearchText() {
        $(".autosuggest").autocomplete({
            source: function (request, response) {
                $.ajax({
                    type: "POST",
                    contentType: "application/json; charset=utf-8",
                    url: "code.aspx?Meth=AB&username=" + document.getElementById('txtSearch').value,
                    data: "{}",
                    dataType: "json",
                    success: function (data) {
                        var list = data;
                        if (list.length > 0) {
                            response($.map(list, function (item) {
                                return {
                                    label: item.split(' ? ')[0],
                                    val: item.split('?')[1]
                                }
                            }));
                        }
                        else {
                            response([{ label: 'No Records Found', val: -1}]);
                        }

                    },
                    error: function (result) {
                        alert("Error");
                    }
                });
            },
            select: function (event, ui) {
                if (ui.item.val == -1) {
                    return false;
                }
                //$('#lblUserId').text(ui.item.val);
                alert(ui.item.val);
            }
        });
    }


public static List<string> GetAutoCompleteData(string username)
{
    List<string> result = new List<string>();
    using (SqlConnection con = new SqlConnection("Data Source=192.168.1.42,1433;Initial Catalog=Harneedi;User ID=chaitanya_t;Password=makrotech"))
    {
        using (SqlCommand cmd = new SqlCommand("select specializationID,specialization,educationID from Mast_Specialization where specialization LIKE '%'+@SearchText+'%'", con))
        {
            con.Open();
            cmd.Parameters.AddWithValue("@SearchText", username);
            SqlDataReader dr = cmd.ExecuteReader();
            while (dr.Read())
            {
                // ID also display bcz of {1}
                //result.Add(string.Format("{0},{1}", dr["specialization"], dr["specializationID"]));

                result.Add(string.Format("{0},{1}", dr["specialization"], dr["specializationID"]));
            }
            return result;
        }
    }
}