ClientID 获取服务端控件,客户端id的方法

时间：2022-10-30 13:45:47
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication5.WebForm1" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <script src="jquery-2.1.0-beta3.js"></script>

    <script type="text/javascript">

        $(function () {

            $("#btn").click(function () {

                alert($("#"+"<%=TextBox1.ClientID %>").val());

            });

        });

    </script>

</head>

<body>

    <form id="form1" runat="server">

        <div>

            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

            <input type="button"  value="点击" id="btn"  />

        </div>

    </form>

</body>

</html>

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