MenuItemCollection.Count Property
.NET Framework (current version)
Gets the number of menu items contained in the current MenuItemCollection object.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Int32The number of menu items contained in the current MenuItemCollection object.
Implements
ICollection.CountUse the Count property to determine the number of items in a MenuItemCollection object. This property is commonly used when iterating through a collection to determine the upper bound of the collection. The Count property is also commonly used to determine whether a collection is empty.
The following code example demonstrates how to use the Count property to determine the number of menu items in a MenuItemCollection object.
<%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> Sub NavigationMenu_MenuItemClick(ByVal sender As Object, ByVal e As MenuEventArgs) ' Use the Count property to determine the number of submenu ' items contained in the selected menu item. Message.Text = "The " & e.Item.Text & " menu item contains " & _ e.Item.ChildItems.Count.ToString & " submenu items." End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>MenuItemCollection Count Example</title> </head> <body> <form id="form1" runat="server"> <h3>MenuItemCollection Count Example</h3> Select an item from the menu. <br/><br/> <asp:menu id="NavigationMenu" orientation="Vertical" target="_blank" onmenuitemclick="NavigationMenu_MenuItemClick" runat="server"> <items> <asp:menuitem text="Home" tooltip="Home"> <asp:menuitem text="Music" tooltip="Music"> <asp:menuitem text="Classical" tooltip="Classical"/> <asp:menuitem text="Rock" tooltip="Rock"/> <asp:menuitem text="Jazz" tooltip="Jazz"/> </asp:menuitem> <asp:menuitem text="Movies" tooltip="Movies"> <asp:menuitem text="Action" tooltip="Action"/> <asp:menuitem text="Drama" tooltip="Drama"/> <asp:menuitem text="Musical" tooltip="Musical"/> </asp:menuitem> </asp:menuitem> </items> </asp:menu> <hr/> <asp:label id="Message" runat="server"/> </form> </body> </html>
.NET Framework
Available since 2.0
Available since 2.0
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