Autocomplete action to multiple form fields in asp.net ?

<script type="text/javascript">
        $(document).ready(function () {
            SearchText();
        });
        function SearchText() {
            $(".autosuggest").autocomplete({
                source: function (request, response) {
                    $.ajax({
                        type: "POST",
                        contentType: "application/json; charset=utf-8",
                        url: "Default.aspx/GetAutoCompleteData",
                        data: "{'username':'" + document.getElementById('txtSearch').value + "'}",
                        dataType: "json",
                        success: function (data) {
                            response(data.d);
                        },
                        error: function (result) {
                            alert("Error");
                        }
                    });
                }
            });
        }
	</script>
    <script type="text/javascript">
        $(document).ready(function () {
            SearchText();
        });
        function SearchText() {
            $(".autosuggest1").autocomplete({
                source: function (request, response) {
                    $.ajax({
                        type: "POST",
                        contentType: "application/json; charset=utf-8",
                        url: "Default.aspx/GetAutoCompleteData1",
                        data: "{'username1':'" + document.getElementById('txtSearch2').value + "'}",
                        dataType: "json",
                        success: function (data) {
                            response(data.d);
                        },
                        error: function (result) {
                            alert("Error");
                        }
                    });
                }
            });
        }
	</script>

<div class="span12">
                                              
                                                <input  id="txtSearch2"  class="autosuggest1 span5" style="height: 30px;" type="text" placeholder="Photography Style,Occasion,Category">
                                                <input  style="height: 30px;" type="text" id="txtSearch" class="autosuggest span5" placeholder="Location: City">
                                                <button type="submit" style="margin-top: -11px;" class="btn btn-warning btn-large">
                                                     Search </button>
                                               
                                            </div>

[WebMethod]

   public static List<string> GetAutoCompleteData(string username)
   {
       List<string> result = new List<string>();
       using (SqlConnection con = new SqlConnection("Data Source=192.168.10.120;Initial Catalog=XXXX;User ID=XXX;password=XXX"))
       {
           using (SqlCommand cmd = new SqlCommand("select top 10 city from tbl_City where city LIKE '%'+@SearchText+'%'", con))
           {
               con.Open();
               cmd.Parameters.AddWithValue("@SearchText", username);
               SqlDataReader dr = cmd.ExecuteReader();
               while (dr.Read())
               {
                   result.Add(dr["city"].ToString());
               }
               return result;
           }
       }
   }
    [WebMethod]
   public static List<string> GetAutoCompleteData1(string username1)
   {
       List<string> result = new List<string>();
       using (SqlConnection con = new SqlConnection("Data Source=192.168.10.120;Initial Catalog=XXXX;User ID=XXX;password=XXX"))
       {
           using (SqlCommand cmd = new SqlCommand("select top 10 Category from Category where city LIKE '%'+@SearchText+'%'", con))
           {
               con.Open();
               cmd.Parameters.AddWithValue("@SearchText", username1);
               SqlDataReader dr = cmd.ExecuteReader();
               while (dr.Read())
               {
                   result.Add(dr["city"].ToString());
               }
               return result;
           }
       }
   }