RepeaterItemEventArgs.Item Propriedade
Definição
Importante
Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.
Obtém o RepeaterItem associado ao evento.
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
Valor da propriedade
O RepeaterItem associado ao evento.
Exemplos
O exemplo a seguir demonstra como determinar o ItemType do item associado a esse evento da Item propriedade .
<%@ 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>
Comentários
Use essa propriedade para acessar as propriedades do associado a RepeaterItem esse evento.
Aplica-se a
Confira também
Colaborar conosco no GitHub
A fonte deste conteúdo pode ser encontrada no GitHub, onde você também pode criar e revisar problemas e solicitações de pull. Para obter mais informações, confira o nosso guia para colaboradores.