The Calendar Control

The ASP.NET Calendar control is a rich web control that provides several capabilities:

  • Displays a calendar showing a single month

  • Allows the user to select a day, week, or month

  • Allows the user to select a range of days

  • Allows the user to move to the next or previous month

  • Programmatically controls the display of specific days

The Calendar control is customizable, with various properties and events. Before digging into all the detail, have a look at a bare-bones .aspx file showing a simple Calendar control. Add to the chapter website a new web form called Calendar-Simple.aspx, and drag a Calendar control onto the page.

Example 5-28 contains the code with the Calendar declaration highlighted, and Figure 5-22 shows the results. There is no code-behind file with this example other than the default boilerplate created by VS2008.

Example 5-28. Calendar-Simple.aspx

<%@ Page Language="C#" AutoEventWireup="true"
   CodeFile="Calendar-Simple.aspx.cs" Inherits="Calendar_Simple" %>

<!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>Simple Calendar Demo</title>
</head>

<body>
   <form id="form1" runat="server">
   <div>
      <asp:Calendar ID="Calendar1" runat="server"></asp:Calendar>
   </div>
   </form>
</body>
</html>

Pretty spiffy; zero manual coding yields a web page with a working calendar that displays the current month. The user can select a single day ...

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