C# yyyyMMdd 类型字符串转换为datetime 类型

string Datestr = "20110910";

DateTime ConvertDate = DateTime.ParseExact(Datestr , "yyyyMMdd", null, System.Globalization.DateTimeStyles.AllowWhiteSpaces);
DateTime dt = DateTime.ParseExact("20060707", "yyyyMMdd",System.Globalization.CultureInfo.CurrentCulture);
string str = dt.ToString("yyyy-MM-dd");

原文链接：https://blog.csdn.net/bingtingabc/article/details/8151791