RepeaterItemEventArgs.Item Свойство
Определение
Важно!
Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.
Возвращает объект RepeaterItem, связанный с событием.
public:
property System::Web::UI::WebControls::RepeaterItem ^ Item { System::Web::UI::WebControls::RepeaterItem ^ get(); };
public System.Web.UI.WebControls.RepeaterItem Item { get; }
member this.Item : System.Web.UI.WebControls.RepeaterItem
Public ReadOnly Property Item As RepeaterItem
Значение свойства
Объект RepeaterItem, связанный с событием.
Примеры
В следующем примере показано, как определить ItemType элемент, связанный с этим событием Item , из свойства.
<%@ 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">
<script language="C#" runat="server">
int Count = 1;
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_ItemCreated(Object Sender, RepeaterItemEventArgs e)
{
String iTypeText = "";
switch (e.Item.ItemType)
{
case ListItemType.Item:
iTypeText = "Item";
break;
case ListItemType.AlternatingItem:
iTypeText = "AlternatingItem";
break;
case ListItemType.Header:
iTypeText = "Header";
break;
case ListItemType.Footer:
iTypeText = "Footer";
break;
case ListItemType.Separator:
iTypeText = "Separator";
break;
}
Label1.Text += "(" + Count++ + ") A Repeater " + iTypeText + " has been created; <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>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Repeater Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Repeater Example</h3>
<p style="font-weight: bold">Repeater1:</p>
<asp:Repeater ID="Repeater1" OnItemCreated="R1_ItemCreated" runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<td style="font-weight:bold">Company</td>
<td style="font-weight:bold">Symbol</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
<td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %> </td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
<br />
<asp:Label ID="Label1" Font-Names="Verdana"
ForeColor="Green" Font-Size="10pt" Runat="server"/>
</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 language="VB" runat="server">
Dim Count As Integer = 1
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_ItemCreated(Sender As Object, e As RepeaterItemEventArgs)
Dim iTypeText As String = ""
Select Case e.Item.ItemType
Case ListItemType.Item
iTypeText = "Item"
Case ListItemType.AlternatingItem
iTypeText = "AlternatingItem"
Case ListItemType.Header
iTypeText = "Header"
Case ListItemType.Footer
iTypeText = "Footer"
Case ListItemType.Separator
iTypeText = "Separator"
End Select
Count = Count + 1
Label1.Text &= "(" & Count & ") A Repeater " & _
iTypeText & " has been created; <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>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Repeater Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Repeater Example</h3>
<p style="font-weight: bold">Repeater1:</p>
<asp:Repeater ID="Repeater1" OnItemCreated="R1_ItemCreated" runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<td style="font-weight:bold">Company</td>
<td style="font-weight:bold">Symbol</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
<td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %> </td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
<br />
<asp:Label ID="Label1" Font-Names="Verdana"
ForeColor="Green" Font-Size="10pt" Runat="server"/>
</form>
</body>
</html>
Комментарии
Используйте это свойство для доступа к свойствам связанного RepeaterItem с этим событием.