MultiView.ActiveViewChanged Kejadian
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
public:
event EventHandler ^ ActiveViewChanged;
public event EventHandler ActiveViewChanged;
member this.ActiveViewChanged : EventHandler
Public Custom Event ActiveViewChanged As EventHandler
Jenis Acara
Contoh
Contoh berikut menunjukkan cara menentukan dan mengkodekan penanganan aktivitas untuk ActiveViewChanged peristiwa MultiView kontrol. Saat tampilan aktif berubah, pesan ditampilkan dalam Label kontrol pada halaman.
Catatan
Sampel kode berikut menggunakan model kode file tunggal dan mungkin tidak berfungsi dengan benar jika disalin langsung ke file code-behind. Sampel kode ini harus disalin ke dalam file teks kosong yang memiliki ekstensi .aspx. Untuk informasi selengkapnya tentang model kode Formulir Web, lihat Model Kode Halaman Formulir Web ASP.NET.
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void MultiView1_ActiveViewChanged(object sender, EventArgs e)
{
String activeView;
activeView = MultiView1.GetActiveView().ID;
ActiveViewLabel.Text = "The ActiveViewChanged event was raised." +
"<br/>" + "The active view is set to " + activeView;
}
protected void LinkButton_Command(object sender, CommandEventArgs e)
{
// Determine which link button was clicked
// and set the active view to
// the view selected by the user.
switch (e.CommandArgument.ToString())
{
case "DefaultView":
MultiView1.SetActiveView(DefaultView);
break;
case "News":
MultiView1.SetActiveView(NewsView);
break;
case "Shopping":
MultiView1.SetActiveView(ShoppingView);
break;
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>MultiView.ActiveViewChangedEvent Example</h3>
<asp:MultiView id="MultiView1"
ActiveViewIndex="0"
OnActiveViewChanged="MultiView1_ActiveViewChanged"
runat="Server">
<asp:View id="DefaultView"
runat="Server">
<asp:Panel id="DefaultViewPanel"
Width="330px"
BackColor="#C0C0FF"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="DefaultLabel1"
Font-bold="true"
Font-size="14"
Text="The Default View"
runat="Server"
AssociatedControlID="DefaultView">
</asp:Label>
<asp:BulletedList id="DefaultBulletedList1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem
Value="http://www.microsoft.com">Today's Weather</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's Stock Quotes</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's News Headlines</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's Featured Shopping</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="DefaultLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="Default_NewsLink"
Text="Go to News View"
OnCommand="LinkButton_Command"
CommandArgument="News"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="Default_ShoppingLink"
Text="Go to Shopping View"
OnCommand="LinkButton_Command"
CommandArgument="Shopping"
CommandName="Link"
Width="150px"
runat="server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
<asp:View id="NewsView"
runat="Server">
<asp:Panel id="NewsPanel1"
Width="330px"
BackColor="#C0FFC0"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="NewsLabel1"
Font-bold="true"
Font-size="14"
Text="The News View"
runat="Server"
AssociatedControlID="NewsView">
</asp:Label>
<asp:BulletedList id="NewsBulletedlist1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem Value="http://www.microsoft.com">Today's International Headlines</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Today's National Headlines</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Today's Local News</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="NewsLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="News_DefaultLink"
Text="Go to the Default View"
OnCommand="LinkButton_Command"
CommandArgument="DefaultView"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="News_ShoppingLink"
Text="Go to Shopping View"
OnCommand="LinkButton_Command"
CommandArgument="Shopping"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
<asp:View id="ShoppingView"
runat="Server">
<asp:Panel id="ShoppingPanel1"
Width="330px"
BackColor="#FFFFC0"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="ShoppingLabel1"
Font-Bold="true"
Font-size="14"
Text="The Shopping View"
runat="Server"
AssociatedControlID="ShoppingView">
</asp:Label>
<asp:BulletedList id="ShoppingBulletedlist1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem Value="http://www.microsoft.com">Shop for Home and Garden </asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Shop for Women's Fashions</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Shop for Men's Fashions</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="ShoppingLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="Shopping_DefaultLink"
Text="Go to the Default View"
OnCommand="LinkButton_Command"
CommandArgument="DefaultView"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="Shopping_NewsLink"
Text="Go to News View"
OnCommand="LinkButton_Command"
CommandArgument="News"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
</asp:MultiView>
<hr />
<asp:Label id="ActiveViewLabel"
BorderStyle="None"
Font-Size="Small"
BackColor="#ffff66"
runat="Server" >
</asp:Label>
</div>
</form>
</body>
</html>
<%@ 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 MultiView1_ActiveViewChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim activeView As String
activeView = MultiView1.GetActiveView().ID
ActiveViewLabel.Text = "The ActiveViewChanged event was raised." + _
"<br/>" + "The active view is set to " + activeView
End Sub
Sub LinkButton_Command(ByVal sender As Object, ByVal e As CommandEventArgs)
' Determine which link button was clicked
' and set the active view to
' the view selected by the user.
Select Case (e.CommandArgument.ToString())
Case "DefaultView"
MultiView1.SetActiveView(DefaultView)
Case "News"
MultiView1.SetActiveView(NewsView)
Case "Shopping"
MultiView1.SetActiveView(ShoppingView)
End Select
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>MultiView.ActiveViewChangedEvent Example</h3>
<asp:MultiView id="MultiView1"
ActiveViewIndex="0"
OnActiveViewChanged="MultiView1_ActiveViewChanged"
runat="Server">
<asp:View id="DefaultView"
runat="Server">
<asp:Panel id="DefaultViewPanel"
Width="330px"
BackColor="#C0C0FF"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="DefaultLabel1"
Font-bold="true"
Font-size="14"
Text="The Default View"
runat="Server"
AssociatedControlID="DefaultView">
</asp:Label>
<asp:BulletedList id="DefaultBulletedList1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem
Value="http://www.microsoft.com">Today's Weather</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's Stock Quotes</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's News Headlines</asp:ListItem>
<asp:ListItem
Value="http://www.microsoft.com">Today's Featured Shopping</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="DefaultLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="Default_NewsLink"
Text="Go to News View"
OnCommand="LinkButton_Command"
CommandArgument="News"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="Default_ShoppingLink"
Text="Go to Shopping View"
OnCommand="LinkButton_Command"
CommandArgument="Shopping"
CommandName="Link"
Width="150px"
runat="server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
<asp:View id="NewsView"
runat="Server">
<asp:Panel id="NewsPanel1"
Width="330px"
BackColor="#C0FFC0"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="NewsLabel1"
Font-bold="true"
Font-size="14"
Text="The News View"
runat="Server"
AssociatedControlID="NewsView">
</asp:Label>
<asp:BulletedList id="NewsBulletedlist1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem Value="http://www.microsoft.com">Today's International Headlines</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Today's National Headlines</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Today's Local News</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="NewsLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="News_DefaultLink"
Text="Go to the Default View"
OnCommand="LinkButton_Command"
CommandArgument="DefaultView"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="News_ShoppingLink"
Text="Go to Shopping View"
OnCommand="LinkButton_Command"
CommandArgument="Shopping"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
<asp:View id="ShoppingView"
runat="Server">
<asp:Panel id="ShoppingPanel1"
Width="330px"
BackColor="#FFFFC0"
BorderColor="#404040"
BorderStyle="Double"
runat="Server">
<asp:Label id="ShoppingLabel1"
Font-Bold="true"
Font-size="14"
Text="The Shopping View"
runat="Server"
AssociatedControlID="ShoppingView">
</asp:Label>
<asp:BulletedList id="ShoppingBulletedlist1"
BulletStyle="Disc"
DisplayMode="Hyperlink"
Target="_blank"
runat="Server">
<asp:ListItem Value="http://www.microsoft.com">Shop for Home and Garden </asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Shop for Women's Fashions</asp:ListItem>
<asp:ListItem Value="http://www.microsoft.com">Shop for Men's Fashions</asp:ListItem>
</asp:BulletedList>
<hr />
<asp:Label id="ShoppingLabel2"
Font-size="12"
Text="Click a link to display a different view:"
runat="Server">
</asp:Label><br />
<asp:LinkButton id="Shopping_DefaultLink"
Text="Go to the Default View"
OnCommand="LinkButton_Command"
CommandArgument="DefaultView"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton>
<asp:LinkButton id="Shopping_NewsLink"
Text="Go to News View"
OnCommand="LinkButton_Command"
CommandArgument="News"
CommandName="Link"
Width="150px"
runat="Server">
</asp:LinkButton><br /><br />
</asp:Panel>
</asp:View>
</asp:MultiView>
<hr />
<asp:Label id="ActiveViewLabel"
BorderStyle="None"
Font-Size="Small"
BackColor="#ffff66"
runat="Server" >
</asp:Label>
</div>
</form>
</body>
</html>
Keterangan
Peristiwa ActiveViewChanged dinaikkan ketika kontrol aktif View dalam MultiView kontrol berubah antara postingan ke server.
Untuk informasi selengkapnya tentang menangani peristiwa, lihat Cara: Mengonsumsi Peristiwa dalam Aplikasi Formulir Web.