DateTime xx = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd"));
string d = xx.ToString("yyyy/MM/dd", System.Globalization.DateTimeFormatInfo.InvariantInfo);
d = d.Substring(0,10);
DateTime.Parse(d);
DateTime xx = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd"));
string d = xx.ToString("yyyy/MM/dd", System.Globalization.DateTimeFormatInfo.InvariantInfo);
d = d.Substring(0,10);
DateTime.Parse(d);