Why My JqueryAjax Code is Not Work in Content Place Hodler? Below is My Code. Can AnyOne Help Me? I Didnt get any Value in TextBox.

<%@ Page Title="" Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="http://code.jquery.com/jquery-latest.js"></script>
    <script>
        $(document).ready(function () {
            alert("Testing")
            $("#SponsorID").focusout(function () {
                var sponsor = $('#SponsorID').val();
                var sponsorname = $('#Text1').val();
                //alert(sponsor);
                $.ajax({
                    type: "POST",
                    url: "HTMLControl.aspx/GetSponsorName",
                    data: "{'username':'" + sponsor + "'}",
                    contentType: "application/json; charset=utf-8",
                    Method: "POST",
                    dataType: "json",
                    success: function (response) {
                        var names = response.d;
                        //alert(names);
                        $('#Text1').val(names);
                    },
                    failure: function (response) {
                        alert("Not Valid");
                    }
                });
            });
        });
  </script>

<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
     <div>
        SponsorID :   
        <input id="SponsorID" type="text" required="required"  runat="server"/>    
        <input id="Text1" type="text"/>    
        <br /><br />
        Email :   
        <input id="Email" type="email" required="required"  runat="server"/>
        <br /><br />
        Mobile Number :    
        <input type="text" id="MobileNumber" name="Mobile" pattern="[789][0-9]{9}"  maxlength="10" minlength='10' required="required"  runat="server"/>
        <br /><br />
        <asp:Button ID="Save" runat="server" Text="Save" />
    </div>


Imports System.Web.Services
Imports System.Web.Script.Serialization
Imports System.Data
Imports System.Data.SqlClient
Partial Class _Default
    Inherits System.Web.UI.Page
    <webmethod> _
    Public Shared Function GetSponsorName(ByVal username As String) As String
        Dim msg As String = username
        Dim cn As New SqlConnection
        Dim comm As New SqlCommand
        Dim sqltrans As SqlTransaction
        Dim connectStr As String


        If cn.State = ConnectionState.Closed Then
            connectStr = ConfigurationManager.ConnectionStrings("connectstr").ToString()
            cn.ConnectionString = connectStr
        End If

        Dim Da As New SqlDataAdapter
        Dim Ds As New DataSet

        comm.CommandText = "select Membername from Registration where MemberiD = '" & username & "'"
        comm.CommandTimeout = 0

        comm.Connection = cn
        comm.Transaction = Nothing
        Da.SelectCommand = comm
        Da.Fill(Ds)

        comm.Connection = cn

        If Ds.Tables(0).Rows.Count > 0 Then
            msg = Ds.Tables(0).Rows(0)(0).ToString()
        Else
            msg = "Sponsor ID Not Valid"
        End If


        Return msg
    End Function
End Class</webmethod>