BulletedListEventArgs BulletedListEventArgs BulletedListEventArgs BulletedListEventArgs Class

Definizione

Fornisce i dati per l'evento Click di un controllo BulletedList.Provides data for the Click event of a BulletedList control.

public ref class BulletedListEventArgs : EventArgs
public class BulletedListEventArgs : EventArgs
type BulletedListEventArgs = class
    inherit EventArgs
Public Class BulletedListEventArgs
Inherits EventArgs
Ereditarietà
BulletedListEventArgsBulletedListEventArgsBulletedListEventArgsBulletedListEventArgs

Esempi

Nell'esempio seguente viene illustrato come specificare e scrivere il codice di un gestore Click eventi per l' BulletedList evento di un controllo.The following example demonstrates how to specify and code an event handler for the Click event of a BulletedList control. Quando si fa clic su un elemento dell'elenco, viene visualizzato un messaggio Label nella pagina.When a list item is clicked, a message is displayed in a Label on the page.

<%@ Page Language="C#" %>

<!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 runat="server">
  <title>BulletedList Click Example</title>
  <script runat="server">

    void ItemsBulletedList_Click(object sender, System.Web.UI.WebControls.BulletedListEventArgs e)
    {

	    // Change the message displayed in the label based on the index
	    // of the list item that was clicked.
	    switch (e.Index) 
      {
		    case 0:
			    Message.Text = "You clicked list item 1.";
			    break;
		    case 1:
			    Message.Text = "You clicked list item 2.";
			    break;
		    case 2:
			    Message.Text = "You clicked list item 3.";
			    break;
		    default:
			    throw new Exception("You did not click a valid list item.");
			    break;
	    }

    }

  </script>

</head>
<body>

  <h3>BulletedList Click Example</h3>

  <form id="form1" runat="server">
            
    <p>Click on an item in the list to raise the Click event.</p> 
    
    <asp:BulletedList id="ItemsBulletedList" 
      BulletStyle="Disc"
      DisplayMode="LinkButton" 
      OnClick="ItemsBulletedList_Click"
      runat="server">    
        <asp:ListItem Value="http://www.cohowinery.com">Coho Winery</asp:ListItem>
        <asp:ListItem Value="http://www.contoso.com">Contoso, Ltd.</asp:ListItem>
        <asp:ListItem Value="http://www.tailspintoys.com">Tailspin Toys</asp:ListItem>
    </asp:BulletedList>
            
    <asp:Label id="Message" 
      Font-Size="12"
      Width="168px" 
      Font-Bold="True" 
      runat="server"
      AssociatedControlID="ItemsBulletedList"/>
              
   </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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>BulletedList Click Example</title>
  <script runat="server">

    Sub ItemsBulletedList_Click(ByVal sender As Object, _
                                ByVal e As System.Web.UI.WebControls.BulletedListEventArgs)
      
      ' Change the message displayed in the label based on the index
      ' of the list item that was clicked.
      Select Case (e.Index)
        Case 0
          Message.Text = "You clicked list item 1."
        Case 1
          Message.Text = "You clicked list item 2."
        Case 2
          Message.Text = "You clicked list item 3."
        Case Else
          Throw New Exception("You did not click a valid list item.")
      End Select

    End Sub

    </script>

</head>
<body>

  <h3>BulletedList Click Example</h3>

  <form id="form1" runat="server">
            
    <p>Click on an item in the list to raise the Click event.</p> 
    
    <asp:BulletedList id="ItemsBulletedList" 
      BulletStyle="Disc"
      DisplayMode="LinkButton" 
      OnClick="ItemsBulletedList_Click"
      runat="server">    
        <asp:ListItem Value="http://www.cohowinery.com">Coho Winery</asp:ListItem>
        <asp:ListItem Value="http://www.contoso.com">Contoso, Ltd.</asp:ListItem>
        <asp:ListItem Value="http://www.tailspintoys.com">Tailspin Toys</asp:ListItem>
    </asp:BulletedList>
            
    <asp:Label id="Message" 
      Font-Size="12"
      Width="168px" 
      Font-Bold="True" 
      runat="server"
      AssociatedControlID="ItemsBulletedList"/>
              
   </form>

</body>
</html>

Commenti

L' Click evento viene generato quando si fa clic su un BulletedList pulsante di collegamento in un controllo.The Click event is raised when a link button in a BulletedList control is clicked.

Per un elenco dei valori iniziali delle proprietà di un'istanza della classe BulletedListEventArgs, vedere il costruttore BulletedListEventArgs.For a list of initial property values for an instance of the BulletedListEventArgs class, see the BulletedListEventArgs constructor.

Costruttori

BulletedListEventArgs(Int32) BulletedListEventArgs(Int32) BulletedListEventArgs(Int32) BulletedListEventArgs(Int32)

Inizializza una nuova istanza della classe BulletedListEventArgs.Initializes a new instance of the BulletedListEventArgs class.

Proprietà

Index Index Index Index

Ottiene l'indice dell'elemento di elenco di un controllo BulletedList che ha generato l'evento.Gets the index of the list item in a BulletedList control that raised the event.

Metodi

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

Determina se l'oggetto specificato è uguale all'oggetto corrente.Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetHashCode() GetHashCode() GetHashCode() GetHashCode()

Funge da funzione hash predefinita.Serves as the default hash function.

(Inherited from Object)
GetType() GetType() GetType() GetType()

Ottiene l'oggetto Type dell'istanza corrente.Gets the Type of the current instance.

(Inherited from Object)
MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

Crea una copia superficiale dell'oggetto Object corrente.Creates a shallow copy of the current Object.

(Inherited from Object)
ToString() ToString() ToString() ToString()

Restituisce una stringa che rappresenta l'oggetto corrente.Returns a string that represents the current object.

(Inherited from Object)

Si applica a

Vedi anche