<!--javascript部分>

<script type="text/javascript">

            function OnUpLoad() {

               

                var Uname = document.getElementById("ItId").value;

                var Una = document.getElementById("ItName").value;

                var Un = document.getElementById("StreentAddress").value;

             

                    alert(Uname+Una+Un);   //正常的

    

                document.getElementById("F1").submit();

            }

        </script>

<!--html部分-->

 <form  id="F1" action="Handler.ashx" method="get">

        <table>

            <tbody>

                <tr><td><label>Id</label><td>

                    <td><input type="text" id="ItId"/></td>

                

                </tr>

                <tr>

                    <td><label>Name:</label></td>

                   <td> <input type="text" id="ItName" /></td>

                </tr>

               <tr> 

                   <td>Address:</td>

                   <td> <input type="text" id="StreentAddress" /></td>

               </tr>

               <tr> 

                   <td>

                    <input type="button" value="提交" onclick="OnUpLoad()" id="But1"/>

            &nbs