在使用UpdatePanel的时候，如果要用到Response.Write()方法，则会出错，错误信息内容大概如下：
Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near ' 你要输出的内容|UpdatePanel|U'
本人使用第二种方法真的解决了，分享大家参考！
解决方法如下：
