auto calculate age on select a date in calendar in asp.net using c#

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how can i calculate the age of user when he selects a age in calendar control. i want this to done when button is clicked.I used a txtbox and below it a calendar control. how can i do this without using ajax.Suppose when user selects 2/12/1987 then in database automatically age=26 yr should be submiteed.Thnks.

Posted 17-Jun-13 20:34pm

Rambo_Raja

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_Damian S_ 18-Jun-13 2:35am

Why do you want to store the persons age in the database rather than their date of birth?

Rambo_Raja 18-Jun-13 2:39am

ah ;) i know that its not good to keep age in DB but i just want this only to be done..

Member 10721202 10-Apr-14 16:08pm

he how to date calaulation after age see

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OriginalGriff · Answer 1 · 2013-06-17T20:50:00

Solution 1

Age is a little more complex than you might think! See here: Working with Age: it's not the same as a TimeSpan![^]

Posted 17-Jun-13 20:50pm

OriginalGriff

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Rambo_Raja 18-Jun-13 3:01am

hi!...can i use javascript to get age...?

Rambo_Raja 18-Jun-13 3:04am

code in javascript is as: function ageCount() {
var date1 = new Date();
var dob= document.getElementById("dob").value;
var date2=new Date(dob);
var pattern = /^\d{1,2}\/\d{1,2}\/\d{4}$/; //Regex to validate date format (dd/mm/yyyy)
if (pattern.test(dob)) {
var y1 = date1.getFullYear(); //getting current year
var y2 = date2.getFullYear(); //getting dob year
var age = y1 - y2; //calculating age
document.write("Age : " + age);
return true;
} else {
alert("Invalid date format. Please Input in (dd/mm/yyyy) format!");
return false;
}

OriginalGriff 18-Jun-13 3:17am

You can do it in JS, but you would need code very similar to that in the C# link I gave you.

BTW: If you want a JavaScript solution in future, you should put that in your question rather than C#...

Member 13975474 1-Jan-21 1:57am

Is Dob a textbox or asp calendar?

Rambo_Raja 18-Jun-13 3:24am

okes..thnx