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How to add holiday details within calendar control

Posted by Bharat Bhushan Articles | ASP.NET Programming November 19, 2010
In this article, I will show you, how to add holiday details within control and apply some style for those dates.
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Introduction

In this article, I will show you, how to add holiday details within control and apply some style for those dates. The purpose of this article is add India holiday details within the calendar control and apply some style to those dates.

Implementation

First design simple html page with calendar control as like following.

HTML Code

<body>
 <form id="form1" runat="server">
 <div> <div> <p style="text-align: center"> <b>
 <asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Names="Arial Black" Font-Size="Medium"
 ForeColor="#0066FF">Indian List of Holidays 2011</asp:Label>
<br /></b> </p> <asp:Calendar ID="Calendar1" runat="server" BackColor="#FFFFCC" BorderColor="#FFCC66"
 BorderWidth="1px" DayNameFormat="Shortest" Font-Names="Verdana" Font-Size="8pt"
 ForeColor="#663399" ShowGridLines="True" OnDayRender="Calendar1_DayRender" OnSelectionChanged="Calendar1_SelectionChanged"
 OnVisibleMonthChanged="Calendar1_VisibleMonthChanged">
 <SelectedDayStyle BackColor="#CCCCFF" Font-Bold="True" />
 <SelectorStyle BackColor="#FFCC66" />
 <TodayDayStyle BackColor="#FFCC66" ForeColor="White" />
 <OtherMonthDayStyle ForeColor="#CC9966" />
 <NextPrevStyle Font-Size="9pt" ForeColor="#FFFFCC" />
 <DayHeaderStyle BackColor="#FFCC66" Font-Bold="True" Height="1px" />
 <TitleStyle BackColor="#990000" Font-Bold="True" Font-Size="9pt" ForeColor="#FFFFCC" />
 </asp:Calendar> <br /> <b></b> <asp:Label ID="LabelAction" runat="server"></asp:Label>
<br /> </b> </div> </div>
 </form> </body> 

Then add server side code to mark the holidays in calendar object.

C# Code

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections;
public partial class calender : System.Web.UI.Page
{
    Hashtable HolidayList;
 protected void Page_Load(object sender, EventArgs e)
    {
        HolidayList = Getholiday();
        Calendar1.Caption = "Calender - Author: Espranza";
        Calendar1.FirstDayOfWeek = FirstDayOfWeek.Sunday;
        Calendar1.NextPrevFormat = NextPrevFormat.FullMonth;
        Calendar1.TitleFormat = TitleFormat.MonthYear;
        Calendar1.ShowGridLines = true;
        Calendar1.DayStyle.Height = new Unit(50);
        Calendar1.DayStyle.Width = new Unit(50);
        Calendar1.DayStyle.HorizontalAlign = HorizontalAlign.Center;
        Calendar1.DayStyle.VerticalAlign = VerticalAlign.Middle;
        Calendar1.OtherMonthDayStyle.BackColor = System.Drawing.Color.AliceBlue;
    }
 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);
            label1.Font.Bold = true;
            e.Cell.Controls.Add(label1);
        }
    }
 protected void Calendar1_SelectionChanged(object sender, EventArgs e)
    {
        LabelAction.Text = "Date changed to :" + Calendar1.SelectedDate.ToShortDateString();
    }
 protected void Calendar1_VisibleMonthChanged(object sender, MonthChangedEventArgs e)
    {
        LabelAction.Text = "Month changed to :" + e.NewDate.ToShortDateString();
    }
 private Hashtable Getholiday()
    {
        Hashtable holiday = new Hashtable();
        holiday["1/1/2011"] = "New Year";
        holiday["1/5/2011"] = "Guru Govind Singh Jayanti";
        holiday["1/8/2011"] = "Muharam (Al Hijra)";
        holiday["1/14/2011"] = "Pongal";
        holiday["1/26/2011"] = "Republic Day";
        holiday["2/23/2011"] = "Maha Shivaratri";
        holiday["3/10/2011"] = "Milad un Nabi (Birthday of the Prophet";
        holiday["3/21/2011"] = "Holi";
        holiday["3/21/2011"] = "Telugu New Year";
        holiday["4/3/2011"] = "Ram Navmi";
        holiday["4/7/2011"] = "Mahavir Jayanti";
        holiday["4/10/2011"] = "Good Friday";
        holiday["4/12/2011"] = "Easter";
        holiday["4/14/2011"] = "Tamil New Year and Dr Ambedkar Birth Day";
        holiday["5/1/2011,5/1/2011"] = "May Day";
        holiday["5/9/2011"] = "Buddha Jayanti and Buddha Purnima";
        holiday["6/24/2011"] = "Rath yatra";
        holiday["8/13/2011"] = "Krishna Jayanthi";
        holiday["8/14/2011"] = "Janmashtami";
        holiday["8/15/2011"] = "Independence Day";
        holiday["8/19/2011"] = "Parsi New Year";
        holiday["8/23/2011"] = "Vinayaka Chaturthi";
        holiday["9/2/2011"] = "Onam";
        holiday["9/5/2011"] = "Teachers Day";
        holiday["9/21/2011"] = "Ramzan";
        holiday["9/27/2011"] = "Ayutha Pooja";
        holiday["9/28/2011"] = "Vijaya Dasami (Dusherra)";
        holiday["10/2/2011"] = "Gandhi Jayanti";
        holiday["10/17/2011"] = "Diwali & Govardhan Puja";
        holiday["10/19/2011"] = "Bhaidooj";
        holiday["11/2/2011"] = "Guru Nanak Jayanti";
        holiday["11/14/2011"] = "Children's Day";
        holiday["11/28/2011"] = "Bakrid";
        holiday["12/25/2011"] = "Christmas Day";
        holiday["12/28/2011"] = "Muharram";
 return holiday;
    }
}

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