RepeaterItemEventArgs 類別
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。
提供 ItemCreated 的 ItemDataBound 和 Repeater 事件資料。
public ref class RepeaterItemEventArgs sealed : EventArgs
public ref class RepeaterItemEventArgs : EventArgs
public sealed class RepeaterItemEventArgs : EventArgs
public class RepeaterItemEventArgs : EventArgs
type RepeaterItemEventArgs = class
inherit EventArgs
Public NotInheritable Class RepeaterItemEventArgs
Inherits EventArgs
Public Class RepeaterItemEventArgs
Inherits EventArgs
- 繼承
範例
下列範例示範如何指定 和 撰寫 ItemCreated 事件處理常式的程式碼。 Repeater 新的文字行,指出每當 Repeater 建立專案時,就會顯示專案類型。
<%@ 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>
備註
如需 實例 RepeaterItemEventArgs 的初始屬性值清單,請參閱 建 RepeaterItemEventArgs 構函式。
如需如何處理事件的詳細資訊,請參閱 處理和引發事件。
建構函式
RepeaterItemEventArgs(RepeaterItem) |
初始化 RepeaterItemEventArgs 類別的新執行個體。 |
屬性
Item |
取得與事件關聯的 RepeaterItem。 |
方法
Equals(Object) |
判斷指定的物件是否等於目前的物件。 (繼承來源 Object) |
GetHashCode() |
做為預設雜湊函式。 (繼承來源 Object) |
GetType() |
取得目前執行個體的 Type。 (繼承來源 Object) |
MemberwiseClone() |
建立目前 Object 的淺層複製。 (繼承來源 Object) |
ToString() |
傳回代表目前物件的字串。 (繼承來源 Object) |