class="brush:csharp;gutter:true;">1、C#调用JavaScript (1)准备好JavaScript函数 <script type="text/javascript"> function say() { alert("CSharp调用js,调用成功!"); } </script> (2)页面代码 <asp:Button ID="Button1" runat="server" Text="CSharp调用js" onclick="Button1_Click" /> (3)C#代码 protected void Button1_Click(object sender, EventArgs e) { Page.ClientScript.RegisterStartupScript(ClientScript.GetType(), "say", "<script>say(); </script>"); } 2、JavaScript调用C#代码 (1)页面代码 <input type="button" value="js调用CSharp" onclick="jsCallCSharp();" /> <asp:Button ID="Button2" runat="server" Text="我是隐藏按钮" onclick="Button2_Click" style="display:none;"/> (2)C#代码 //后台方法 public void Show() { 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) { Show(); } (3)JavaScript代码 <script type="text/javascript"> function jsCallCSharp() { document.getElementById("Button2").click(); } </script>