翱翔.Net

public string GetRegDate(string UserID)
        { 
            int ID=int.Parse(UserID);
            OleDbDataReader rs=obj.ShowInfoByUserID(ID);
            while(rs.Read())
            {
                DateTime rd=DateTime.Parse(rs["RegDate"].ToString());
                return    rd.ToShortDateString();
                            
            }
            rs.Close();
            return "无此用户";
        }

ToShorDateString(); //短日期
ToShortTimeString ;//短时间

ToLongDateString() //长日期
ToLongTimeString() //短日期

2004-10-21 12:45:11 长日期
10/21/2004                 短日期