Repeater.OnDataBinding メソッド
アセンブリ: System.Web (system.web.dll 内)

Dim e As EventArgs Me.OnDataBinding(e)

イベント引数がコマンド タイプである場合に Repeater サーバー 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 - OnDataBinding - 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 - OnDataBinding - VB.NET Example</h3> <aspSample:CustomRepeaterOnDataBinding 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:CustomRepeaterOnDataBinding> </form> </body> </HTML>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %> <%@ Page Language="C#" AutoEventWireup="True" %> <HTML> <HEAD> <title>Custom Repeater - OnDataBinding - 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 - OnDataBinding - C# Example</h3> <aspSample:CustomRepeaterOnDataBinding 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:CustomRepeaterOnDataBinding> </form> </body> </HTML>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %> <%@ Page Language="VJ#" AutoEventWireup="True" %> <HTML> <HEAD> <title>Custom Repeater - OnDataBinding - 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 - OnDataBinding - VJ# Example</h3> <aspSample:CustomRepeaterOnDataBinding 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:CustomRepeaterOnDataBinding> </form> </body> </HTML>
Imports System.Web Imports System.Security.Permissions Namespace Samples.AspNet.VB.Controls <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _ Public NotInheritable Class CustomRepeaterOnDataBinding Inherits System.Web.UI.WebControls.Repeater Protected Overrides Sub OnDataBinding(ByVal e As System.EventArgs) ' Raise the OnDataBinding event. MyBase.OnDataBinding(e) ' Clear out the controls collection and child viewstate. Me.Controls.Clear() Me.ClearChildViewState() ' Create a new control hierarchy. Me.CreateControlHierarchy(True) Me.ChildControlsCreated = True End Sub 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 CustomRepeaterOnDataBinding : System.Web.UI.WebControls.Repeater { protected override void OnDataBinding(System.EventArgs e) { // Raise the OnDataBinding event. base.OnDataBinding(e); // Clear out the controls collection and child viewstate. this.Controls.Clear(); this.ClearChildViewState(); // Create a new control hierarchy. this.CreateControlHierarchy(true); this.ChildControlsCreated = true; } } }
package Samples.AspNet.JSL.Controls; public class CustomRepeaterOnDataBinding extends System.Web.UI.WebControls.Repeater { protected void OnDataBinding(System.EventArgs e) { // Raise the OnDataBinding event. super.OnDataBinding(e); // Clear out the controls collection and child viewstate. this.get_Controls().Clear(); this.ClearChildViewState(); // Create a new control hierarchy. this.CreateControlHierarchy(true); this.set_ChildControlsCreated(true); } //OnDataBinding } //CustomRepeaterOnDataBinding

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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