BulletedList.DisplayMode Properti
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.
Mendapatkan atau mengatur mode tampilan konten daftar dalam BulletedList kontrol.
public:
virtual property System::Web::UI::WebControls::BulletedListDisplayMode DisplayMode { System::Web::UI::WebControls::BulletedListDisplayMode get(); void set(System::Web::UI::WebControls::BulletedListDisplayMode value); };
public virtual System.Web.UI.WebControls.BulletedListDisplayMode DisplayMode { get; set; }
member this.DisplayMode : System.Web.UI.WebControls.BulletedListDisplayMode with get, set
Public Overridable Property DisplayMode As BulletedListDisplayMode
Nilai Properti
Salah BulletedListDisplayMode satu nilai. Default adalah Text.
Pengecualian
Jenis yang ditentukan bukan salah BulletedListDisplayMode satu nilai.
Contoh
Contoh kode berikut menunjukkan cara membuat BulletedList kontrol dan mengatur DisplayMode properti . ListBox Kontrol diisi dengan BulletedListDisplayMode nilai enumerasi. Format konten item daftar berubah berdasarkan mode tampilan yang dipilih pengguna dari kotak daftar.
<%@ Page Language="C#" %>
<!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>DisplayMode Example</title>
<script runat="server">
void Index_Changed(object sender, System.EventArgs e)
{
// Change the message displayed, based on
// the display mode selected from the list box.
if (DisplayModeListBox.SelectedIndex > -1)
{
Message1.Text = "You chose: " + DisplayModeListBox.SelectedItem.Text;
}
// Change the display mode, based on
// the mode selected from the list box.
switch (DisplayModeListBox.SelectedIndex)
{
case 0:
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.Text;
Message2.Text = "";
break;
case 1:
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.HyperLink;
// Opens a new browser window to display the page linked to.
ItemsBulletedList.Target = "_blank";
Message2.Text = "";
break;
case 2:
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.LinkButton;
break;
default:
throw new Exception("You did not select a valid display mode.");
break;
}
}
void ItemsBulletedList_Click(object sender, System.Web.UI.WebControls.BulletedListEventArgs e)
{
// Change the message displayed, based on the index
// of the bulletedlist list item that was clicked.
switch (e.Index)
{
case 0:
Message2.Text = "You clicked list item 1.";
break;
case 1:
Message2.Text = "You clicked list item 2.";
break;
case 2:
Message2.Text = "You clicked list item 3.";
break;
default:
throw new Exception("You did not click a valid list item.");
break;
}
}
</script>
</head>
<body>
<h3>DisplayMode Example</h3>
<form id="form1" runat="server">
<h3>BulletedListDisplayMode Example</h3>
<p>
<asp:BulletedList id="ItemsBulletedList"
BulletStyle="Disc"
DisplayMode="Text"
OnClick="ItemsBulletedList_Click"
runat="server">
<asp:ListItem Value="http://www.cohowinery.com">Coho Winery</asp:ListItem>
<asp:ListItem Value="http://www.contoso.com">Contoso, Ltd.</asp:ListItem>
<asp:ListItem Value="http://www.tailspintoys.com">Tailspin Toys</asp:ListItem>
</asp:BulletedList></p>
<hr />
<h4>Select from the list to change the display mode:</h4>
<asp:ListBox id="DisplayModeListBox"
Rows="1"
SelectionMode="Single"
AutoPostBack="True"
OnSelectedIndexChanged="Index_Changed"
runat="server">
<asp:ListItem>Text</asp:ListItem>
<asp:ListItem>Hyperlink</asp:ListItem>
<asp:ListItem>LinkButton</asp:ListItem>
</asp:ListBox>
<asp:Label id="Message1"
runat="server"
AssociatedControlID="DisplayModeListBox"/><br /><br />
<asp:Label id="Message2"
runat="server"
AssociatedControlID="DisplayModeListBox"/>
</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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DisplayMode Example</title>
<script runat="server">
Sub Index_Changed(ByVal sender As Object, ByVal e As System.EventArgs)
' Change the message displayed, based on
' the display mode selected from the list box.
If DisplayModeListBox.SelectedIndex > -1 Then
Message1.Text = "You chose: " & DisplayModeListBox.SelectedItem.Text
End If
' Change the display mode, based on
' the mode selected from the list box.
Select Case (DisplayModeListBox.SelectedIndex)
Case 0
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.Text
Message2.Text = ""
Case 1
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.HyperLink
' Opens a new browser window to display the page linked to.
ItemsBulletedList.Target = "_blank"
Message2.Text = ""
Case 2
ItemsBulletedList.DisplayMode = BulletedListDisplayMode.LinkButton
Case Else
Throw New Exception("You did not select a valid display mode.")
End Select
End Sub
Sub ItemsBulletedList_Click(ByVal sender As Object, _
ByVal e As System.Web.UI.WebControls.BulletedListEventArgs)
' Change the message displayed, based on the index
' of the bulletedlist list item that was clicked.
Select Case (e.Index)
Case 0
Message2.Text = "You clicked list item 1."
Case 1
Message2.Text = "You clicked list item 2."
Case 2
Message2.Text = "You clicked list item 3."
Case Else
Throw New Exception("You did not click a valid list item.")
End Select
End Sub
</script>
</head>
<body>
<h3>DisplayMode Example</h3>
<form id="form1" runat="server">
<h3>BulletedListDisplayMode Example</h3>
<p>
<asp:BulletedList id="ItemsBulletedList"
BulletStyle="Disc"
DisplayMode="Text"
OnClick="ItemsBulletedList_Click"
runat="server">
<asp:ListItem Value="http://www.cohowinery.com">Coho Winery</asp:ListItem>
<asp:ListItem Value="http://www.contoso.com">Contoso, Ltd.</asp:ListItem>
<asp:ListItem Value="http://www.tailspintoys.com">Tailspin Toys</asp:ListItem>
</asp:BulletedList></p>
<hr />
<h4>Select from the list to change the display mode:</h4>
<asp:ListBox id="DisplayModeListBox"
Rows="1"
SelectionMode="Single"
AutoPostBack="True"
OnSelectedIndexChanged="Index_Changed"
runat="server">
<asp:ListItem>Text</asp:ListItem>
<asp:ListItem>Hyperlink</asp:ListItem>
<asp:ListItem>LinkButton</asp:ListItem>
</asp:ListBox>
<asp:Label id="Message1"
runat="server"
AssociatedControlID="DisplayModeListBox"/><br /><br />
<asp:Label id="Message2"
runat="server"
AssociatedControlID="DisplayModeListBox"/>
</form>
</body>
</html>
Keterangan
DisplayMode Gunakan properti untuk menentukan perilaku tampilan yang akan diterapkan ke konten item daftar dalam BulletedList kontrol. Properti DisplayMode diatur menggunakan salah BulletedListDisplayMode satu nilai enumerasi. Tabel berikut mencantumkan nilai yang mungkin.
Nilai | Ditampilkan sebagai |
---|---|
Text | Teks |
HyperLink | Hyperlink. |
LinkButton | Tombol tautan. |
Nilai memungkinkan HyperLink Anda menampilkan konten daftar sebagai hyperlink. Saat diklik, hyperlink menavigasi ke URL. Value Gunakan properti untuk menentukan URL yang dinavigasi hyperlink.
Bidang memungkinkan LinkButton Anda menampilkan konten daftar sebagai tautan. BulletedList.Click Gunakan peristiwa untuk memposting kembali ke server saat tombol tautan diklik.
Nilai properti ini disimpan dalam status tampilan.