ajax 笔记－－调用WebService实现求两数之和

        <script type="text/javascript">
        var xmlHttp;
        function createXMLHttpRequest()
>

上面代码是javascript脚本．

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下面是Total.aspx的部分html代码．

<div>
                <table>
                    <tr>
                        <td>第一个值：</td>
                        <td><input type="text" id="value1"></td>
                    </tr>
                    <tr>
                        <td>第二个值：</td>
                        <td><input type="text" id="value2"></td>
                    </tr>
                    <tr>
                        <td><input value="求和" type="button" onclick="ExeWebService();"></td>
                        <td>
                            <asp:Label id="lblTotal" runat="server"></asp:Label></td>
                    </tr>
                </table>
                <div id="total">
                </div>
            </div>

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上面是添加一个WebServic，名字叫Total.asmx，完了之后添加如下代码放到　Total.asmx　代码里去．

        }