DateTime.Now.ToString("dddd,dd MMMM,yyyy")
//输出 星期三,30 一月,2008
DateTime.Now.ToString("dddd,dd MMMM,yyyy",new System.Globalization.DateTimeFormatInfo())
//输出 Wednesday,30 January,2008
http://www.cnblogs.com/thinhunan/archive/2008/01/30/1058720.html