<script type ="text/javascript" >
   
        $(function (){
            $("#Button1").click(function (){
             $.ajax({
                type: "POST",
                url:"Handler.ashx?txt="+$("#Text1").val(),
                data:"{}",
                dataType:'html',
                success:function(result){  if(result =="成功")
                    window .location ="首页.aspx";
                else
                    window .location ="注册.aspx";
             }
            });
        });
    });
    </script>