how make 2 Textbox Autocomplete on the same page

hi all

I want to make 2 autocomplete textbox In the same page

do I type this code twice?

Like this

///////////////////////////////// 1111111111111111111111111111111111
    [System.Web.Script.Services.ScriptMethod()]
    [System.Web.Services.WebMethod]

    public static List<string> GetCompletionList(string prefixText)
    {
        using (OracleConnection con = new OracleConnection("data source=localhost:1521/orcl; user id=alhakimy; password=alhakimyyes;"))
        {
            using (OracleCommand com = new OracleCommand())
            {
                com.CommandText = "select doc_no, doc_name from doctors where city_no= " + HttpContext.Current.Session["city_no"].ToString() + " and doc_name like '%" + prefixText + "%' ";
                com.Parameters.Add("TextBox1", prefixText);
                com.Connection = con;
                con.Open();
                List<string> summ = new List<string>();
                using (OracleDataReader sdr = com.ExecuteReader())
                {
                    while (sdr.Read())
                    {
                        summ.Add(string.Format("{0}-{1}", sdr["DOC_NAME"], sdr["Doc_NO"]));//اذا اضفنا عمود جملة السكلته سنضيفه هنا كالبقية
                    }
                }
                con.Close();
                return summ;
            }
        }
    }

    ////22222222222222222222222222222222222222222222222222222222222222222222222
    
    [System.Web.Script.Services.ScriptMethod()]
    [System.Web.Services.WebMethod]

    public static List<string> GetCompletionList2(string prefixText2)
    {
        using (OracleConnection con2 = new OracleConnection("data source=localhost:1521/orcl; user id=alhakimy; password=alhakimyyes;"))
        {
            using (OracleCommand com = new OracleCommand())
            {
                com.CommandText = "select pharms_no, pharms_name from pharms where city_no= " + HttpContext.Current.Session["city_no"].ToString() + " and pharms_name like '%" + prefixText2 + "%' ";
                com.Parameters.Add("TextBox3", prefixText2);
                com.Connection = con2;
                con2.Open();
                List<string> summ2 = new List<string>();
                using (OracleDataReader sdr2 = com.ExecuteReader())
                {
                    while (sdr2.Read())
                    {
                        summ2.Add(string.Format("{0}-{1}", sdr2["pharms_NAME"], sdr2["pharms_NO"]));//اذا اضفنا عمود جملة السكلته سنضيفه هنا كالبقية
                    }
                }
                con2.Close();
                return summ2;
            }
        }
    }
    //////////////////////////////////////////////

Because the second coke did not work