Repeater.ItemCommand Evento
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Se desencadena cuando se hace clic en un botón del control Repeater.
public:
event System::Web::UI::WebControls::RepeaterCommandEventHandler ^ ItemCommand;
public event System.Web.UI.WebControls.RepeaterCommandEventHandler ItemCommand;
member this.ItemCommand : System.Web.UI.WebControls.RepeaterCommandEventHandler
Public Custom Event ItemCommand As RepeaterCommandEventHandler
Tipo de evento
Ejemplos
En el ejemplo siguiente se muestra cómo especificar y codificar un controlador para el ItemCommand evento del Repeater control. La información sobre el botón se muestra cuando se hace clic en un Button control dentro del Repeater control.
<%@ 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">
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 = "The " + ((Button)e.CommandSource).Text + " button 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>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Repeater Example</title>
</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" font-names="Verdana" ForeColor="Green" font-size="10pt" 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 = "The " & CType(e.CommandSource, Button).Text & _
" button 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" font-names="Verdana" ForeColor="Green" font-size="10pt" runat="server"/>
</form>
</body>
</html>
Comentarios
Este evento se genera cuando se hace clic en un botón del Repeater control.
Este evento hace que se produzca un recorrido de ida y vuelta desde el cliente.
Para obtener más información acerca de cómo controlar eventos, vea controlar y provocar eventos.