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

Dim e As EventArgs Me.OnPreRender(e)


カスタム LinkButton コントロールで境界線が表示されないように、OnPreRender 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 LinkButton - OnPreRender - VB.NET Example</title> <script runat="server"> Sub LinkButton1_Command(sender As Object, e As CommandEventArgs) ' Redirect to the Microsoft home page. Response.Redirect("http://www.microsoft.com/") End Sub </script> </HEAD> <body> <form id="Form1" method="post" runat="server"> <h3>Custom LinkButton - OnPreRender - VB.NET Example</h3> <aspSample:CustomLinkButtonOnPreRender id="LinkButton1" runat="server" OnCommand="LinkButton1_Command" ToolTip="Microsoft Home">Microsoft Corp.</aspSample:CustomLinkButtonOnPreRender> </form> </body> </HTML> <br /><span space="preserve">...</span><br /> <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _ Public NotInheritable Class CustomLinkButtonOnPreRender Inherits System.Web.UI.WebControls.LinkButton Protected Overrides Sub OnPreRender(ByVal e As System.EventArgs) ' Run the OnPreRender method on the base class. MyBase.OnPreRender(e) ' Always display the LinkButton without a border. Me.BorderWidth = System.Web.UI.WebControls.Unit.Point(0) End Sub End Class
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %> <%@ Page Language="C#" AutoEventWireup="True" %> <HTML> <HEAD> <title>Custom LinkButton - OnPreRender - C# Example</title> <script runat="server"> void LinkButton1_Command(Object sender, CommandEventArgs e) { // Redirect to the Microsoft home page. Response.Redirect("http://www.microsoft.com/"); } </script> </HEAD> <body> <form id="Form1" method="post" runat="server"> <h3>Custom LinkButton - OnPreRender - C# Example</h3> <aspSample:CustomLinkButtonOnPreRender id="LinkButton1" runat="server" OnCommand="LinkButton1_Command" ToolTip="Microsoft Home">Microsoft Corp. </aspSample:CustomLinkButtonOnPreRender> </form> </body> </HTML> <br /><span space="preserve">...</span><br />using System.Web; using System.Security.Permissions; namespace Samples.AspNet.CS.Controls { [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class CustomLinkButtonOnPreRender : System.Web.UI.WebControls.LinkButton { protected override void OnPreRender(System.EventArgs e) { // Run the OnPreRender method on the base class. base.OnPreRender(e); // Always display the LinkButton without a border. this.BorderWidth = System.Web.UI.WebControls.Unit.Point(0); } } }
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %> <%@ Page Language="VJ#" AutoEventWireup="True" %> <HTML> <HEAD> <title>Custom LinkButton - OnPreRender - VJ# Example</title> <script runat="server"> void LinkButton1_Command(Object sender, CommandEventArgs e) { // Redirect to the Microsoft home page. get_Response().Redirect("http://www.microsoft.com/"); } //LinkButton1_Command </script> </HEAD> <body> <form id="Form1" method="post" runat="server"> <h3>Custom LinkButton - OnPreRender - VJ# Example</h3> <aspSample:CustomLinkButtonOnPreRender id="LinkButton1" runat="server" OnCommand="LinkButton1_Command" ToolTip="Microsoft Home">Microsoft Corp. </aspSample:CustomLinkButtonOnPreRender> </form> </body> </HTML> <br /><span space="preserve">...</span><br />package Samples.AspNet.JSL.Controls; public class CustomLinkButtonOnPreRender extends System.Web.UI.WebControls.LinkButton { protected void OnPreRender(System.EventArgs e) { // Run the OnPreRender method on the base class. super.OnPreRender(e); // Always display the LinkButton without a border. this.set_BorderWidth(System.Web.UI.WebControls.Unit.Point(0)); } //OnPreRender } //CustomLinkButtonOnPreRender

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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