将两位数的年份转换为四位数年份 [英] Convert a two digit year to a four digit year
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问题描述
这是一个最佳做法的问题。我有一个实用程序以两位数的年份作为字符串,我需要将其转换为四位数的年份作为字符串。现在我做
This is a question of best practices. I have a utility that takes in a two digit year as a string and I need to convert it to a four digit year as a string. right now I do
//DOB's format is "MMM (D)D YY" that first digit of the day is not there for numbers 1-9
string tmpYear = rowIn.DOB.Substring(rowIn.DOB.Length - 3, 2); //-3 because it is 0 indexed
if (Convert.ToInt16(tmpYear) > 50)
tmpYear = String.Format("19{0}", tmpYear);
else
tmpYear = String.Format("20{0}", tmpYear);
我确定我做的这个可怕的错误,任何指针?
I am sure I am doing it horribly wrong, any pointers?
推荐答案
.NET框架有一个完全符合你想要的方法:
The .NET framework has a method that does exactly what you want:
int fourDigitYear = CultureInfo.CurrentCulture.Calendar.ToFourDigitYear(twoDigitYear)
这样你将正确遵守控制面板(或组策略)中定义的当前区域设置:
That way you will correctly adhere to current regional settings as defined in Control Panel (or group policy):
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