本文介绍了一个简单的ASP.NET示例，展示了如何通过按钮点击事件来写入和读取Cookies。该示例使用C#作为服务器端脚本语言，并通过两个文本框分别显示写入和读取的内容。
<%@ Page Language="C#" AutoEventWireup="true"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Script runat=server>
public void WriteCookies(object o, EventArgs e)
{
Response.Cookies["BackgroundColor"].Value = txtWriteCookies.Text;
Response.Write("Write succeed!");
}
public void ReadCookies(object o, EventArgs e)
{
txtReadCookies.Text = Request.Cookies["BackgroundColor"].Value;
Response.Write("Read succeed ,look !");
}
</Script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Using Cookies in ASP.NET</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtWriteCookies" runat="server"></asp:TextBox>
<asp:Button ID="btnWriteCookies" runat="server" Text="Write" OnClick="WriteCookies" />
<br>
<asp:TextBox ID="txtReadCookies" runat="server"></asp:TextBox>
<asp:Button ID="btnReadCookies" runat="server" Text="Read" OnClick="ReadCookies" />
</div>
</form>
</body>
</html>
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