Given I have a birthday/anniversary DateTime, how can I determine if that date occurred during a specific date range? For example, Birthday = 1/2/2000 Date Range = 12/25/2008 - 1/3/2009 I need a method to determine whether or not this person's birthday happened during that date range - preferably in C#. I first went about changing the year of the birthday DateTime to match the date r
鉴于我有生日/周年日期时间，我如何确定该日期是否在特定日期范围内发生？ 例如， 生日= 1/2/2000 日期范围= 12/25/2008 - 1/3/2009 我需要一种方法来确定此人的生日是否发生在该日期范围内 - 最好是用C＃。 我首先将生日DateTime的年份更改为与日期范围相匹配，然后检查“新”生日DateTime是否在日期范围的开始日期和结束日期之间......但是如果日期范围跨越不同年份，就像我上面的例子 - 我不得不添加一个讨厌的if语
Possible Duplicate: Calculating age from birthday How do you calculate age in years, taking input from TextBox in the format dd/MM/yyyy ? eg input: txtDOB.Text 20/02/1989 (String format) output: txtAge.Text 23 您可以使用DateTime的Substract方法（链接），然后使用Days属性来确定实际的年龄： DateTime now = DateTime.Now; DateTime givenDate = DateTime.Parse(input); int days = now.Subtract(gi
可能重复： 从生日计算年龄 如何计算年龄，以格式dd/MM/yyyy TextBox输入？ 例如 输入：txtDOB.Text 20/02/1989（字符串格式） 输出：txtAge.Text 23 您可以使用DateTime的Substract方法（链接），然后使用Days属性来确定实际的年龄： DateTime now = DateTime.Now; DateTime givenDate = DateTime.Parse(input); int days = now.Subtract(givenDate).Days int age = Math.Floor(days / 365.24219) TimeSpan TS = Dat
This question already has an answer here: How do I calculate someone's age in C#? 64 answers Try something like this: private void button1_Click(object sender, EventArgs e) { DateTime sonsBirthday = DateTime.Parse(txtSonsBirthday.Text).Date; DateTime now = DateTime.Now; TimeSpan timeSpan = now - sonsBirthday; //timeSpan = Convert.TimeSpan(lblTimeAlive); // old lb
这个问题在这里已经有了答案： 我如何用C＃计算某人的年龄？ 64个答案 尝试这样的事情： private void button1_Click(object sender, EventArgs e) { DateTime sonsBirthday = DateTime.Parse(txtSonsBirthday.Text).Date; DateTime now = DateTime.Now; TimeSpan timeSpan = now - sonsBirthday; //timeSpan = Convert.TimeSpan(lblTimeAlive); // old lblTimeAlive.Text = timeSpan.ToString();
Possible Duplicate: How do I calculate someone's age in C#? I am trying to create a form where a client's date of birth is entered and his age is displayed automatically in txtAge: private void Form3_Load(object sender, EventArgs e) { dtpDob.Value = DateTime.Today.Date; SqlConnection conn = new SqlConnection(); } private void dtpDOB_Leave(object sender, System.EventA
可能重复： 我如何用C＃计算某人的年龄？ 我正在尝试创建一个表单，其中输入了客户的出生日期，并且他的年龄在txtAge中自动显示： private void Form3_Load(object sender, EventArgs e) { dtpDob.Value = DateTime.Today.Date; SqlConnection conn = new SqlConnection(); } private void dtpDOB_Leave(object sender, System.EventArgs e) { System.DateTime dob = default(System.DateTime);
Possible Duplicate: How do I calculate someone's age in C#? Maybe this could be silly but and I don't have issues with my age but sometimes it is good to calculate the exact age of someone, I have introduced my birthdate in my profile (01/12/1975) "dd/mm/yyyy" and it calculated 33 and I'm 32 actually still, isn't it better to calculate the exact age? Maybe DateTim
可能重复： 我如何用C＃计算某人的年龄？ 也许这可能很愚蠢，但我的年龄没有问题，但有时计算某个人的确切年龄是很好的，我在我的个人资料中介绍了我的出生日期（01/12/1975）“dd / mm / yyyy “它计算了33，我实际上仍然是32，计算确切的年龄不是更好吗？ 也许 DateTime dt1 = DateTime.Now; TimeSpan dt2; dt2 = dt1.Subtract(new DateTime(1975, 12, 01)); double year = dt2.TotalDays / 365; 一年的结果是32.7740567
I'm capturing date of Birth and Date of Diagnosis in database and would like to calculate age in years by Diagnosis date. This is my code. But I have error following error. Error 2 Property or indexer 'LightSwitchApplication.Patient.AgeAtDiagnosis' cannot be assigned to -- it is read only partial void AgeAtDiagnosis_Compute(ref int result) { // Set result to the desired
我在数据库中记录了出生日期和诊断日期，并且想要根据诊断日期计算年龄。 这是我的代码。 但我有错误跟随错误。 错误2属性或索引器'LightSwitchApplication.Patient.AgeAtDiagnosis'不能分配给 - 它是只读的 partial void AgeAtDiagnosis_Compute(ref int result) { // Set result to the desired field value AgeAtDiagnosis = DateofDiagnosis.Year - DateofBirth.Year; if (DateofBirth
Possible Duplicate: How do I calculate someone's age in C#? Hi, Simple question. Need to calculate age and only allow people who are 21. Do you use timespan? so given somebody inputting a date i need to check if they are >=21. suggestions? The easiest way isn't to actually calculate their age - it's to see whether their birthday is after your limit: DateTime twentyOneYea
可能重复： 我如何用C＃计算某人的年龄？ 嗨，简单的问题。 需要计算年龄，只允许21岁的人使用时间跨度？ 所以有人输入日期我需要检查他们是否> = 21。 建议？ 最简单的方法不是真正计算他们的年龄 - 而是看他们的生日是否在你的极限之后： DateTime twentyOneYearsAgo = DateTime.Today.AddYears(-21); if (birthDate > twentyOneYearsAgo) { // Sorry, you're too young } 请注意，在闰年的2月29日， A
Possible Duplicate: How do I calculate someone's age How can i calculate age using datetimepicker in c#? Strictly speaking, TimeSpan age = DateTime.Now - dateTimePicker.Value; However, figuring out someone's "age" is only slightly more complicated. int years = DateTime.Now.Year - dateTimePicker.Value.Year; if(dateTimePicker.Value.AddYears(years) > DateTime.Now) year
可能重复： 我如何计算某人的年龄 我如何计算在c＃中使用datetimepicker的年龄？ 严格来讲， TimeSpan age = DateTime.Now - dateTimePicker.Value; 然而，找出某人的“年龄”只是稍微复杂一些。 int years = DateTime.Now.Year - dateTimePicker.Value.Year; if(dateTimePicker.Value.AddYears(years) > DateTime.Now) years--; 由于年份的长短不一，您必须这样做，而不是依赖像TimeSpan这样的代表特定时间的结构（
This question already has an answer here: How do I calculate someone's age in C#? 64 answers Contrary to the comments, TimeSpan does not help you here, because a year is not a fixed length of time. That in turn leads to your expressed aim being very strange indeed. You really shouldn't be representing a date as a fractional number with the first two digits being months and the thir
这个问题在这里已经有了答案： 我如何用C＃计算某人的年龄？ 64个答案 与评论相反， TimeSpan在这里并没有帮助你，因为一年不是固定的时间。 这反过来导致你表达的目标确实很奇怪。 您实际上不应该将日期表示为小数，前两位数字为月份，第三位和第四位数字为天数。 时间就是这样。 （例如，2014.0131与2014.0201之间的差异远大于2014.0130与2014.0131之间的差异）。 用年，月，日来表示年龄会更好。 我的野田时间库
Duplicate How Can I calculate Someone's Age in C#? I have a datetime variable that represents the date of birth of a user. How can I get the age in years from this? Update I want a precise birthday, so 30.45 years or something. 尝试以下（假设出生日期存储在dtDOB ）： public int getAgeInYears { TimeSpan tsAge = DateTime.Now.Subtract(dtDOB); return new DateTime(tsAge.Ticks).Year -
重复 我如何计算C＃中的某人的年龄？ 我有一个datetime变量，表示用户的出生日期。 我怎样才能从这个年龄获得年龄？ 更新我想要一个精确的生日，所以30.45年什么的。 尝试以下（假设出生日期存储在dtDOB ）： public int getAgeInYears { TimeSpan tsAge = DateTime.Now.Subtract(dtDOB); return new DateTime(tsAge.Ticks).Year - 1; } 从Jeff的问题的答案中被盗： DateTime now = DateTime.Now; int age = now.Ye