C#调用js，js调用C#

js:

       <script type="text/javascript">

        function ss() {

            alert("底层调用js，调用成功！");

        }

        //这个方法用了调用隐藏按钮

        function xx() {

            document.getElementById("Button2").click();

        }

      </script>

html:

　　　<asp:Button ID="Button1" runat="server" Text="底层调用js" onclick="Button1_Click" />

        <hr />

        <input type="button" value="js调用底层" onclick="xx();" />

        <asp:Button ID="Button2" runat="server" Text="我是隐藏按钮" onclick="Button2_Click" style="display:none;"/>

        <hr />

CS:

    //底层调用js

    protected void Button1_Click(object sender, EventArgs e)

    {

        Page.ClientScript.RegisterStartupScript(ClientScript.GetType(), "gg", "<script>ss(); </script>");

    }

    //后台方法

    public void showval()

    {

        Response.Write("js调用后台方法成功！");

    }

    //隐藏按钮事件

    protected void Button2_Click(object sender, EventArgs e)

    {

        showval();

    }