Calendar
The ASP 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
Allows all aspects of the appearance of the calendar to be customized either at design time or under program control
Programmatically controls the display of specific days
The Calendar control is extremely customizable, with a large variety of properties and events. Before digging into all the detail, look at a bare bones .aspx file showing a simple Calendar control, along with the resulting web page. Example 5-38 contains the code, and Figure 5-20 shows the results. Since there is no script block in this code, there is no need for equivalent C# and VB.NET versions.
Example 5-38. Simple Calendar control, Calendar-Simple.aspx
<html>
<body>
<form runat="server">
<h1>ASP Controls</h1>
<h2>Calendar Demonstration</h2>
<asp:Calendar
id="cal"
runat="server" >
</asp:Calendar>
</form>
</body>
</html>
Figure 5-20. A simple Calendar control
Pretty spiffy. Very few lines of code yield a web page with a working calendar that displays the current month. The user can select a single day (although at this point nothing happens when a day is selected, other than it being highlighted) and move through the months by clicking on the < and ...
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