VS2017专业版和企业版的密钥Visual Studio 2017 Enterprise(企业版):NJVYC-BMHX2-G77MM-4XJMR-6Q8QFVisual Studio 2019 Professional(专业版):KBJFW-NXHK6-W4WJM-CRMQB-G3CDHVS2019专业版和企业版的密钥Visual Studio 2019 Enterprise(企业版):...
public int GetAgeByBirthdate(DateTime birthdate){
DateTime now = DateTime.Now;
int age = now.Year - birthdate.Year;
if (now.Month < birthdate.Month || (now.Month == birthdate.Month &&...