Calendar.VisibleMonthChanged Event
.NET Framework (current version)
Occurs when the user clicks the next or previous month navigation controls on the title heading.
Assembly: System.Web (in System.Web.dll)
This event is raised when the user clicks the next or previous month navigation elements on the title heading.
For more information about handling events, see NIB: Events and Delegates.
The following code example demonstrates how to specify and code a handler for the VisibleMonthChanged event to display whether the Calendar control has moved forward or backward one month.
<%@ Page Language="VB" AutoEventWireup="True" %> <!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> Calendar VisibleMonthChanged Example </title> <script runat="server"> Sub MonthChange(sender As Object, e As MonthChangedEventArgs) If e.NewDate.Month > e.PreviousDate.Month Then Message.Text = "You moved forward one month." Else Message.Text = "You moved backwards one month." End If End Sub </script> </head> <body> <form id="form1" runat="server"> <h3> Calendar VisibleMonthChanged Example </h3> Select a different month on the calendar. <br /><br /> <asp:Calendar id="Calendar1" runat="server" OnVisibleMonthChanged="MonthChange"> <WeekendDayStyle BackColor="gray"> </WeekendDayStyle> </asp:Calendar> <hr /> <table border="1"> <tr style="background-color:Silver"> <th> Month navigation direction </th> </tr> <tr> <td> <asp:Label id="Message" Text="Starting Month." runat="server"/> </td> </tr> </table> </form> </body> </html>
<%@ Page Language="VB" AutoEventWireup="True" %> <!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> Calendar VisibleMonthChanged Example </title> <script runat="server"> Sub MonthChange(sender As Object, e As MonthChangedEventArgs) If e.NewDate.Month > e.PreviousDate.Month Then Message.Text = "You moved forward one month." Else Message.Text = "You moved backwards one month." End If End Sub Sub Page_Load(sender As Object, e As EventArgs) ' Manually register the event-handling method for the ' VisibleMonthChanged event of the Calendar control. AddHandler Calendar1.VisibleMonthChanged, AddressOf MonthChange End Sub </script> </head> <body> <form id="form1" runat="server"> <h3> Calendar VisibleMonthChanged Example </h3> Select a different month on the calendar. <br /><br /> <asp:Calendar id="Calendar1" runat="server"> <WeekendDayStyle BackColor="gray"> </WeekendDayStyle> </asp:Calendar> <hr /> <table border="1"> <tr style="background-color:Silver"> <th> Month navigation direction </th> </tr> <tr> <td> <asp:Label id="Message" Text="Starting Month." runat="server"/> </td> </tr> </table> </form> </body> </html>
.NET Framework
Available since 1.1
Available since 1.1
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