How to show Birthday reminder in asp.net c# for next 7 days

In this article, many times we need to show to birthday reminder on label. In this below code if we will show birthday of next 7 days (a week).

Source Code:-

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

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

</head>

<body>

<div>

<asp:Label ID="lbbirthday" runat="server"></asp:Label>

</div>

</form>

</body>

</html>

Code(c#):-

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

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

{

protected void Page_Load(object sender, EventArgs e)

{

DateTime birthday = Convert.ToDateTime("1991/12/24");

int years = DateTime.Now.Year - birthday.Year;

birthday = birthday.AddYears(years);

DateTime check = DateTime.Now.AddDays(7);

if ((birthday > DateTime.Now) && (birthday < check))

{

lbbirthday.Text = ("This week is your birthday !!!");

}

else

{

lbbirthday.Text = ("This week no birthday");

}

Out Put:-

Category