C# 字符串类型日期转换为日期类型

1、方法一
Convert.ToDateTime(string)
string格式是yyyy-MM-dd hh:mm:ss
2、方法二
Convert.ToDateTime(string, IFormatProvider)
DateTime dt;

DateTimeFormatInfo dtFormat = new System.GlobalizationDateTimeFormatInfo();

dtFormat.ShortDatePattern = “yyyy/MM/dd”;

dt = Convert.ToDateTime(“2019/05/5”, dtFormat);
3、方法三
DateTime.ParseExact()
string dateString = “20190505”;

DateTime dt = DateTime.ParseExact(dateString, “yyyyMMdd”, System.Globalization.CultureInfo.CurrentCulture);