DateTime转为yyyyMMdd

Fun1:

 

string stateDate = mem_info.SingingTime.ToString();     //mem_info.SingingTime为dateTime型
DateTime state = Convert.ToDateTime(stateDate);
string stateDateFormat = state.ToString("yyyy/MM/dd");

 

Fun2:

datetime.ToShortDateString();

string a =fileM.CreateTime.ToShortDateString();