display in label

in apx:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>




 


 

  Enter date of birth to calculate age:
  :
  Date in MM/DD/YYYY format

 
 

in .cs:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;

public partial class _Default : System.Web.UI.Page
{
  protected void Page_Load(object sender, EventArgs e)
  {

  }

  public int Age(DateTime dt)
  {
  DateTime today = DateTime.Today;
  int age = today.Year - dt.Year;
  if (dt > today.AddYears(-age))
  age--;
  return age;
  }

  protected void TextBox1_TextChanged(object sender, EventArgs e)
  {
  int age = Age(Convert.ToDateTime(TextBox1.Text));
  Label1.Text = "Age:-" + age;

  }
}


now in button click . write code to insert age into database bay passing the label text