how to calculate age from birthdate in asp.net c#?

Question

Santhosh Kumar · Answer

This will calculate age when the DOB is selected in calendar field. View File: Age Calculator Code Behind: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Web.AgeCalc { public partial class AgeCalc : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void calDOB_SelectionChanged(object sender, EventArgs e) { int nDOBYear = calDOB.SelectedDate.Year; int nCurrentYear = DateTime.Now.Year; tbxDOB.Text = (nCurrentYear - nDOBYear).ToString(); } } }

Iftikar Hussain · Answer

Hi, Try like this DateTime birthday = new DateTime(1982, 09, 09); int age = ((DateTime.Now.Year - birthday.Year) * 372 + (DateTime.Now.Month - birthday.Month) * 31 + (DateTime.Now.Day - birthday.Day)) / 372; Response.Write(age.ToString()); Regards, Iftikar

Dilip Gupta · Answer

DateTime birthday = new DateTime(1980, 12, 18); DateTime today = DateTime.Today; int age = today.Year - birthday.Year;

Dilip Gupta · Answer

http://www.webcodeexpert.com/2013/07/get-age-in-yearsmonthsdayshours-and.html

Vaikesh K P · Answer

Hi, Try this DateTime d1=DateTime.Now ; DateTime d2 = new DateTime( 1978 , 4 , 5 ); TimeSpan difference = d1.Subtract(d2); difference.TotalDays/365. 25 ).ToString(); Or //call function int age= Age(DateTime.Parse("4/26/1973")); //function public static int Age(DateTime birthDate) { int years, months, days; DateDiff(DateTime.Now, birthDate, out years, out months, out days); return years; }

Appi Reddy · Answer

worked correctly ..

parth shah · Answer

How the hell does it work because every month doesnt have 31 days and thankyou the code worked

Bhushan Patil · Answer

Use this easy code for calculating age in asp.net C# if(textbox1.Text!=null) { DateTime dt=convert.ToInt32(textbox1.Text); int current = Convert.ToInt32(dt.Year); int age = Convert.ToInt32(System.DateTime.Now.Year) - current; Textbox2.Text = Convert.ToString(age); }

Tanmay Nehete · Answer

try this string s = lblDOB.Text.Trim(); DateTime dob = Convert.ToDateTime(s); DateTime currentdate = Convert.ToDateTime(DateTime.Now); TimeSpan time = currentdate.Subtract(dob); int total = (time.Days) / 365; lblage.Text = total.ToString();

Satyapriya Nayak · Answer

Untitled Page onclick="btn_age_Click" /> using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; namespace calculate_age_in_asp.net { public partial class _Default : System.Web.UI.Page { protected void btn_age_Click(object sender, EventArgs e) { int intYear, intMonth, intDate; intYear = Convert.ToInt32(txt_Year.Text); intMonth = Convert.ToInt32(txt_Month.Text); intDate = Convert.ToInt32(txt_Day.Text); DateTime dtt = new DateTime(intYear, intMonth, intDate); DateTime td = DateTime.Now; int Leap_Year = 0; for (int i = dtt.Year; i { if (DateTime.IsLeapYear(i)) { ++Leap_Year; } } TimeSpan timespan = td.Subtract(dtt); intDate = timespan.Days - Leap_Year; int intResult = 0; intYear = Math.DivRem(intDate, 365, out intResult); intMonth = Math.DivRem(intResult, 30, out intResult); intDate = intResult; Response.Write("You are " + intYear.ToString() + " Year/s " + intMonth + " Month/s " + intDate + " Day/s"); } } }

Iftikar Hussain · Answer

Hi, Try like this DateTime birthday = new DateTime(1981, 01, 01); int age = ((DateTime.Now.Year - birthday.Year) * 372 + (DateTime.Now.Month - birthday.Month) * 31 + (DateTime.Now.Day - birthday.Day)) / 372; Response.Write(age.ToString()); Regards, Iftikar

Sanjeeb Lenka · Answer

check these links: http://www.aspdotnet-suresh.com/2010/10/how-to-calculate-age-of-person-and.html http://manish4dotnet.blogspot.in/2013/02/CalculateAgeUsingJavaScript.html

Hardik Patel · Answer

code not working

Sanjeeb Lenka · Answer

Hi, refer to this link: http://www.webcodeexpert.com/2013/07/get-age-in-yearsmonthsdayshours-and.html#.Uhx7BCJlfcw

how to calculate age from birthdate in asp.net c#?

Answers (14)