Repeater.Items Eigenschap
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Hiermee haalt u een verzameling RepeaterItem objecten op in het Repeater besturingselement.
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 RepeaterItemCollectionWaarde van eigenschap
Een verzameling RepeaterItem objecten. De standaardwaarde is leeg RepeaterItemCollection.
- Kenmerken
Voorbeelden
In het volgende voorbeeld ziet u hoe u de Items eigenschap gebruikt om de index van het item te bepalen dat is geselecteerd in het Repeater besturingselement.
<%@ 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>
Opmerkingen
Het Repeater besturingselement vult de Items verzameling in door elk object in het DataSourceobject te inventariseren. De Items verzameling wordt vervolgens door het Repeater besturingselement gebruikt om elk item in het besturingselement weer te geven.
