calculate the age by giving 2 dates

Posted by Chaithragm under ASP.NET on 8/21/2013 | Points: 10 | Views : 2929 | Status : [Member] | Replies : 4

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How to calculate the age by giving two dates
date1=dob of a person
date2="31-07-12";
int age =?
how to calculate age?

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Posted by: Bandi on: 8/21/2013 [Member] [MVP] Platinum | Points: 25

0	USE DATEDIFF function in C# http://www.c-sharpcorner.com/UploadFile/DipalChoksi/DateDiff_CS_DC09132006172429PM/DateDiff_CS_DC.aspx http://forums.asp.net/p/1082692/1604940.aspx Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Chaithragm, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Chaithragm on: 8/21/2013 [Member] Starter | Points: 25

0	can we do ir in asp.net by giving the default date? Chaithragm, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Bandi on: 8/21/2013 [Member] [MVP] Platinum | Points: 25

0	Yes you can do... Sample app in ASP .NET to calculate Age http://www.aspdotnet-suresh.com/2010/08/calculating-difference-between-two.html http://stackoverflow.com/questions/10618207/how-would-you-calculate-the-age-in-c-sharp-using-date-of-birth-considering-leap Alternate approach is: Write this DateDifference Method and call by passing two datetime in your application http://www.codeproject.com/Articles/28837/Calculating-Duration-Between-Two-Dates-in-Years-Mo Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Chaithragm, if this helps please login to Mark As Answer. \| Alert Moderator

Yes you can do...
Sample app in ASP .NET to calculate Age
http://www.aspdotnet-suresh.com/2010/08/calculating-difference-between-two.html
http://stackoverflow.com/questions/10618207/how-would-you-calculate-the-age-in-c-sharp-using-date-of-birth-considering-leap

Alternate approach is:
Write this DateDifference Method and call by passing two datetime in your application
http://www.codeproject.com/Articles/28837/Calculating-Duration-Between-Two-Dates-in-Years-Mo

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Posted by: Bandi on: 8/26/2013 [Member] [MVP] Platinum | Points: 25

0	Sample code for number of days between DOB and default date <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="CalculateAge.aspx.cs" Inherits="WebApplication1.CalculateAge" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:TextBox ID="txtDate" runat="server" /> <asp:Button Text="Click" runat="server" id="btnAge" onclick="btnAge_Click"/> <asp:Label Text="" ID="lblAge" runat="server" /> </div> </form> </body> </html> using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication1 { public partial class CalculateAge : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void btnAge_Click(object sender, EventArgs e) { DateTime date = DateTime.Parse(txtDate.Text); DateTime defaultDate = DateTime.Parse("07-31-2012"); TimeSpan days = defaultDate.Subtract(date); double NumofYears = days.TotalDays; lblAge.Text = NumofYears.ToString() + " Days"; } } } Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Chaithragm, if this helps please login to Mark As Answer. \| Alert Moderator

Sample code for number of days between DOB and default date

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="CalculateAge.aspx.cs" Inherits="WebApplication1.CalculateAge" %>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title></title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        <asp:TextBox ID="txtDate" runat="server" />

        <asp:Button Text="Click" runat="server" id="btnAge" onclick="btnAge_Click"/>

        <asp:Label Text="" ID="lblAge" runat="server" />

    </div>

    </form>

</body>

</html>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;



namespace WebApplication1

{

    public partial class CalculateAge : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

        }



        protected void btnAge_Click(object sender, EventArgs e)

        {

            DateTime date = DateTime.Parse(txtDate.Text);

            DateTime defaultDate = DateTime.Parse("07-31-2012");

            TimeSpan days = defaultDate.Subtract(date);

            double NumofYears = days.TotalDays;

            lblAge.Text = NumofYears.ToString() + " Days";

        }



    }

}

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