Calender with Holiday List in ASP.Net

Step 1: Add a calender control on webpage.

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

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

</head>

<body>

<div>

<asp:Calendar ID="Calendar1" runat="server" Height="444px" Width="100%" OnDayRender="Calendar1_DayRender"

OnSelectionChanged="Calendar1_SelectionChanged" OnVisibleMonthChanged="Calendar1_VisibleMonthChanged"

DayNameFormat="Full" ForeColor="#000099" NextMonthText="">

</asp:Calendar>

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

</div>

</form>

</body>

</html>

Step 2: Write the below code in cs page.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Collections;

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

{

Hashtable HolidayList;

protected void Page_Load(object sender, EventArgs e)

{

HolidayList = Getholiday();

Calendar1.Caption = "Calender - Author: Pankaj Kumar Pandey";

Calendar1.FirstDayOfWeek = FirstDayOfWeek.Monday;

Calendar1.NextPrevFormat = NextPrevFormat.FullMonth;

Calendar1.TitleFormat = TitleFormat.Month;

Calendar1.ShowGridLines = true;

Calendar1.DayStyle.Height = new Unit(50);

Calendar1.DayStyle.Width = new Unit(150);

Calendar1.DayStyle.HorizontalAlign = HorizontalAlign.Center;

Calendar1.DayStyle.VerticalAlign = VerticalAlign.Middle;

//Calendar1.OtherMonthDayStyle.BackColor = System.Drawing.Color.AliceBlue;

}

private Hashtable Getholiday()

{

Hashtable holiday = new Hashtable();

holiday["1/1/2013"] = "New Year";

holiday["1/5/2013"] = "Guru Govind Singh Jayanti";

holiday["1/8/2013"] = "Muharam (Al Hijra)";

holiday["1/14/2013"] = "Pongal";

holiday["1/26/2013"] = "Republic Day";

holiday["2/23/2013"] = "Maha Shivaratri";

holiday["3/10/2013"] = "Milad un Nabi (Birthday of the Prophet";

holiday["3/21/2013"] = "Holi";

holiday["3/21/2013"] = "Telugu New Year";

holiday["4/3/2013"] = "Ram Navmi";

holiday["4/7/2013"] = "Mahavir Jayanti";

holiday["4/10/2013"] = "Good Friday";

holiday["4/12/2013"] = "Easter";

holiday["4/14/2013"] = "Tamil New Year and Dr Ambedkar Birth Day";

holiday["5/1/2013"] = "May Day";

holiday["5/9/2013"] = "Buddha Jayanti and Buddha Purnima";

holiday["6/24/2013"] = "Rath yatra";

holiday["8/13/2013"] = "Krishna Jayanthi";

holiday["8/14/2013"] = "Janmashtami";

holiday["8/15/2013"] = "Independence Day";

holiday["8/19/2013"] = "Parsi New Year";

holiday["8/23/2013"] = "Vinayaka Chaturthi";

holiday["9/2/2013"] = "Onam";

holiday["9/5/2013"] = "Teachers Day";

holiday["9/21/2013"] = "Ramzan";

holiday["9/27/2013"] = "Ayutha Pooja";

holiday["9/28/2013"] = "Vijaya Dasami (Dusherra)";

holiday["10/2/2013"] = "Gandhi Jayanti";

holiday["10/17/2013"] = "Diwali & Govardhan Puja";

holiday["10/19/2013"] = "Bhaidooj";

holiday["11/2/2013"] = "Guru Nanak Jayanti";

holiday["11/14/2013"] = "Children's Day";

holiday["11/28/2013"] = "Bakrid";

holiday["12/25/2013"] = "Christmas";

holiday["12/28/2013"] = "Muharram";

return holiday;

}

protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)

{

if (HolidayList[e.Day.Date.ToShortDateString()] != null)

{

Literal literal1 = new Literal();

literal1.Text = "<br/>";

e.Cell.Controls.Add(literal1);

Label label1 = new Label();

label1.Text = (string)HolidayList[e.Day.Date.ToShortDateString()];

label1.Font.Size = new FontUnit(FontSize.Small);

e.Cell.Controls.Add(label1);

}

protected void Calendar1_VisibleMonthChanged(object sender, MonthChangedEventArgs e)

{

LabelAction.Text = "Month changed to :" + e.NewDate.ToShortDateString();

}

protected void Calendar1_SelectionChanged(object sender, EventArgs e)

{

LabelAction.Text = "Date changed to :" + Calendar1.SelectedDate.ToShortDateString();

}

Step 3: try it.