MonthChangedEventArgs Class
Provides data for the VisibleMonthChanged event of a Calendar control.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in System.Web.dll)
The MonthChangedEventArgs type exposes the following members.
| Name | Description | |
|---|---|---|
 | MonthChangedEventArgs | Initializes a new instance of the MonthChangedEventArgs class. |
| Name | Description | |
|---|---|---|
| NewDate | Gets the date that determines the currently displayed month in the Calendar control. |
| PreviousDate | Gets the date that determines the previously displayed month in the Calendar control. |
| Name | Description | |
|---|---|---|
| Equals(Object) | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
The VisibleMonthChanged event is raised when the user clicks the Calendar navigation controls to display the next or previous month.
For a list of initial property values for an instance of MonthChangedEventArgs, see the MonthChangedEventArgs constructor.
For more information about handling events, see Events and Delegates.
The following code example demonstrates how to specify and code a handler for the VisibleMonthChanged event that displays in a Label control whether the Calendar control has moved forward or backward one month.
<%@ Page Language="C#" 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"> void MonthChange(Object sender, MonthChangedEventArgs e) { if (e.NewDate.Month > e.PreviousDate.Month) { Message.Text = "You moved forward one month."; } else { Message.Text = "You moved backwards one month."; } } </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="C#" 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"> void MonthChange(Object sender, MonthChangedEventArgs e) { if (e.NewDate.Month > e.PreviousDate.Month) { Message.Text = "You moved forward one month."; } else { Message.Text = "You moved backwards one month."; } } void Page_Load(Object sender, EventArgs e) { // Manually register the event-handling method for the // VisibleMonthChanged event of the Calendar control. Calendar1.VisibleMonthChanged += new MonthChangedEventHandler(this.MonthChange); } </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>
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
