C#中的DateTime.Parse抛出异常

Question

我不知道为什么抛出异常,这是工作代码:

DateTime.Parse("1/12/2012 12:00:00 AM")

这是抛出异常的那个:

DateTime.Parse("1/13/2012 12:00:00 AM")

抛出的异常是"FormatException",包含此消息: "字符串未被识别为有效的DateTime".

这是CurrentCulture值:

System.Globalization.CultureInfo.CurrentCulture
{en-MY}
Calendar: {System.Globalization.GregorianCalendar}
CompareInfo: {CompareInfo - en-MY}
CultureTypes: SpecificCultures | InstalledWin32Cultures
DateTimeFormat: {System.Globalization.DateTimeFormatInfo}
DisplayName: "English (Malaysia)"
EnglishName: "English (Malaysia)"
IetfLanguageTag: "en-MY"
IsNeutralCulture: false
IsReadOnly: true
KeyboardLayoutId: 17417
LCID: 17417
Name: "en-MY"
NativeName: "English (Malaysia)"
NumberFormat: {System.Globalization.NumberFormatInfo}
OptionalCalendars: {System.Globalization.Calendar[2]}
Parent: {en}
TextInfo: {TextInfo - en-MY}
ThreeLetterISOLanguageName: "eng"
ThreeLetterWindowsLanguageName: "ENM"
TwoLetterISOLanguageName: "en"
UseUserOverride: true

有谁知道这里发生了什么？

Answer 1

因为一年只有12个月;)

我猜你当前的文化背景使用'dd/MM/yyyy'.使用Parse的重载指定要用于解析字符串的文化的日期格式:

DateTime.Parse(String, IFormatProvider) 

或者使用ParseExact()方法并自己指定格式.

var provider = CultureInfo.InvariantCulture;
var format = "M/dd/yyyy hh:mm:ss tt";

DateTime.ParseExact("1/13/2012 12:00:00 AM", format, provider);