Repeater.Items 屬性
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
取得 RepeaterItem 控制項中 Repeater 物件的集合。
public:
virtual property System::Web::UI::WebControls::RepeaterItemCollection ^ Items { System::Web::UI::WebControls::RepeaterItemCollection ^ get(); };[System.ComponentModel.Browsable(false)]
public virtual System.Web.UI.WebControls.RepeaterItemCollection Items { get; }[<System.ComponentModel.Browsable(false)>]
member this.Items : System.Web.UI.WebControls.RepeaterItemCollectionPublic Overridable ReadOnly Property Items As RepeaterItemCollection屬性值
RepeaterItem 物件的集合。 預設為空的 RepeaterItemCollection。
- 屬性
範例
下列範例示範如何使用 Items 屬性來判斷從 Repeater 控制項選取之專案的索引。
<%@ 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>
<title>Repeater Example</title>
<script language="C#" runat="server">
void Page_Load(Object Sender, EventArgs e) {
if (!IsPostBack) {
ArrayList values = new ArrayList();
values.Add(new PositionData("Microsoft", "Msft"));
values.Add(new PositionData("Intel", "Intc"));
values.Add(new PositionData("Dell", "Dell"));
Repeater1.DataSource = values;
Repeater1.DataBind();
}
}
void R1_ItemCommand(Object Sender, RepeaterCommandEventArgs e) {
Label2.Text = "Button " + Repeater1.Items[e.Item.ItemIndex].ItemIndex.ToString() +
" has just been clicked! <br />";
}
public class PositionData {
private string name;
private string ticker;
public PositionData(string name, string ticker) {
this.name = name;
this.ticker = ticker;
}
public string Name {
get {
return name;
}
}
public string Ticker {
get {
return ticker;
}
}
}
</script>
</head>
<body>
<h3>Repeater Example</h3>
<form id="form1" runat="server">
<b>Repeater1:</b>
<br />
<asp:Repeater id="Repeater1"
OnItemCommand="R1_ItemCommand"
runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<td><b>Company</b></td>
<td><b>Symbol</b></td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
<td> <asp:Button Text=<%# DataBinder.Eval(Container.DataItem, "Ticker") %>
runat="server" /></td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
<br />
<asp:Label id="Label2"
style="font-family:Verdana; color:Green; font-size:medium"
runat="server"/>
</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>
<title>Repeater Example</title>
<script language="VB" runat="server">
Sub Page_Load(Sender As Object, e As EventArgs)
If Not IsPostBack Then
Dim values As New ArrayList()
values.Add(New PositionData("Microsoft", "Msft"))
values.Add(New PositionData("Intel", "Intc"))
values.Add(New PositionData("Dell", "Dell"))
Repeater1.DataSource = values
Repeater1.DataBind()
End If
End Sub
Sub R1_ItemCommand(Sender As Object, e As RepeaterCommandEventArgs)
Label2.Text = "Button " & _
Repeater1.Items(e.Item.ItemIndex).ItemIndex.ToString() & _
" has just been clicked! <br />"
End Sub
Public Class PositionData
Private myName As String
Private myTicker As String
Public Sub New(newName As String, newTicker As String)
Me.myName = newName
Me.myTicker = newTicker
End Sub
Public ReadOnly Property Name() As String
Get
Return myName
End Get
End Property
Public ReadOnly Property Ticker() As String
Get
Return myTicker
End Get
End Property
End Class
</script>
</head>
<body>
<h3>Repeater Example</h3>
<form id="form1" runat="server">
<b>Repeater1:</b>
<br />
<asp:Repeater id="Repeater1"
OnItemCommand="R1_ItemCommand"
runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<td><b>Company</b></td>
<td><b>Symbol</b></td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
<td> <asp:Button Text=<%# DataBinder.Eval(Container.DataItem, "Ticker") %>
runat="server" /></td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
<br />
<asp:Label id="Label2"
style="font-family:Verdana; color:Green; font-size:medium"
runat="server"/>
</form>
</body>
</html>
備註
控制項 Repeater 會 Items 列舉集合中的每個物件，藉以填入集合 DataSource 。 然後 Items ， Repeater 控制項會使用集合來轉譯 控制項中的每個專案。
