Repeater.OnBubbleEvent メソッド
アセンブリ: System.Web (system.web.dll 内)
構文
Dim sender As Object Dim e As EventArgs Dim returnValue As Boolean returnValue = Me.OnBubbleEvent(sender, e)
戻り値
ItemCommand が発生した場合は true。それ以外の場合は false。
イベント引数がコマンド タイプである場合に Repeater コントロールが必ず OnItemCommand を呼び出してイベントを発生させるか、または false を返してそのイベントを取り消すように、カスタム サーバー コントロール内の OnDataBinding メソッドをオーバーライドする方法を次のコード例に示します。
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %> <%@ Page Language="VB" AutoEventWireup="True" %> <HTML> <HEAD> <title>Custom Repeater - OnBubbleEvent - VB.NET 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 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> <form id="Form1" method="post" runat="server"> <h3>Custom Repeater - OnBubbleEvent - VB.NET Example</h3> <aspSample:CustomRepeaterOnBubbleEvent id="Repeater1" runat="server" > <HeaderTemplate> <table border="1" cellpadding="4" cellspacing="0"> <tr> <th>Company</th> <th>Symbol</th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# DataBinder.Eval(Container.DataItem, "Name") %></td> <td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %></td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </aspSample:CustomRepeaterOnBubbleEvent> </form> </body> </HTML>
<%@ Page Language="C#" AutoEventWireup="True" %> <%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %> <HTML> <HEAD> <title>Custom Repeater - OnBubbleEvent - C# Example</title> <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(); } } 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> </HEAD> <body> <form id="Form1" method="post" runat="server"> <h3>Custom Repeater - OnBubbleEvent - C# Example</h3> <aspSample:CustomRepeaterOnBubbleEvent id="Repeater1" runat="server"> <HeaderTemplate> <table border="1" cellpadding="4" cellspacing="0"> <tr> <th>Company</th> <th>Symbol</th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# DataBinder.Eval(Container.DataItem, "Name") %></td> <td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %></td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </aspSample:CustomRepeaterOnBubbleEvent> </form> </body> </HTML>
<%@ Page Language="VJ#" AutoEventWireup="True" %> <%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %> <HTML> <HEAD> <title>Custom Repeater - OnBubbleEvent - VJ# Example</title> <script language="VJ#" runat="server"> void Page_Load(Object Sender, EventArgs e) { if (!get_IsPostBack()) { ArrayList values = new ArrayList(); values.Add(new PositionData("Microsoft", "Msft")); values.Add(new PositionData("Intel", "Intc")); values.Add(new PositionData("Dell", "Dell")); Repeater1.set_DataSource(values); Repeater1.DataBind(); } } //Page_Load public class PositionData { private String name; private String ticker; public PositionData(String name, String ticker) { this.name = name; this.ticker = ticker; } //PositionData /** @property */ public String get_Name() { return name; } //get_Name /** @property */ public String get_Ticker() { return ticker; } //get_Ticker } //PositionData </script> </HEAD> <body> <form id="Form1" method="post" runat="server"> <h3>Custom Repeater - OnBubbleEvent - VJ# Example</h3> <aspSample:CustomRepeaterOnBubbleEvent id="Repeater1" runat="server"> <HeaderTemplate> <table border="1" cellpadding="4" cellspacing="0"> <tr> <th>Company</th> <th>Symbol</th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# DataBinder.Eval(Container.get_DataItem(), "Name") %></td> <td> <%# DataBinder.Eval(Container.get_DataItem(), "Ticker") %></td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </aspSample:CustomRepeaterOnBubbleEvent> </form> </body> </HTML>
Imports System.Web Imports System.Security.Permissions Namespace Samples.AspNet.VB.Controls <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _ Public NotInheritable Class CustomRepeaterOnBubbleEvent Inherits System.Web.UI.WebControls.Repeater Protected Overrides Function OnBubbleEvent(ByVal [source] As Object, ByVal args As System.EventArgs) As Boolean ' If the EventArgs are of type RepeaterCommadnEventArgs , ' then call the OnItemCommand event handler and return true (bubble up the event) ' else return false (don't bubble up the event). Dim isHandled As Boolean = False If TypeOf args Is System.Web.UI.WebControls.RepeaterCommandEventArgs Then Me.OnItemCommand(CType(args, System.Web.UI.WebControls.RepeaterCommandEventArgs)) isHandled = True End If Return isHandled End Function End Class End Namespace
using System.Web; using System.Security.Permissions; namespace Samples.AspNet.CS.Controls { [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class CustomRepeaterOnBubbleEvent : System.Web.UI.WebControls.Repeater { protected override bool OnBubbleEvent(object source, System.EventArgs args) { // If the EventArgs are of type RepeaterCommandEventArgs, // then call the OnItemCommand event handler and return true (bubble up the event) // else return false (don't bubble up the event). bool isHandled = false; if (args is System.Web.UI.WebControls.RepeaterCommandEventArgs) { this.OnItemCommand((System.Web.UI.WebControls.RepeaterCommandEventArgs)args); isHandled = true; } return isHandled; } } }
package Samples.AspNet.JSL.Controls; public class CustomRepeaterOnBubbleEvent extends System.Web.UI.WebControls.Repeater { protected boolean OnBubbleEvent(Object source, System.EventArgs args) { // If the EventArgs are of type RepeaterCommandEventArgs, // then call the OnItemCommand event handler and return true // (bubble up the event) // else return false (don't bubble up the event). boolean isHandled = false; if (args instanceof System.Web.UI.WebControls. RepeaterCommandEventArgs) { this.OnItemCommand((System.Web.UI.WebControls. RepeaterCommandEventArgs)args); isHandled = true; } return isHandled; } //OnBubbleEvent } //CustomRepeaterOnBubbleEvent
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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参照
- Repeater.OnBubbleEvent メソッドのページへのリンク