改改web.config<configuration>
<system.web>
<globalization requestEncoding="gb2312"
responseEncoding="gb2312"/>
</system.web>
</configuration>
<system.web>
<globalization requestEncoding="gb2312"
responseEncoding="gb2312"/>
</system.web>
</configuration>
把原来的
<globalization
requestEncoding="utf-8"
responseEncoding="utf-8"
/>
改成
<configuration>
<system.web>
<globalization requestEncoding="gb2312"
responseEncoding="gb2312"/>
</system.web>
</configuration>
Response.Cookies["NetAlumni"]["Name"].Value = HttpUtility.UrlEncode(s, System.Text.Encoding.GetEncoding("GB2312"));