decimal d = decimal.Round(decimal.Parse( "0.55555 "),2);
http://www.cnblogs.com/xiaofengfeng/archive/2010/11/20/1882372.html
decimal d = decimal.Round(decimal.Parse( "0.55555 "),2);
http://www.cnblogs.com/xiaofengfeng/archive/2010/11/20/1882372.html