HtmlTable.RenderEndTag(HtmlTextWriter) 方法
定义
重要
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呈现 HtmlTable 控件的结束标记。
protected:
override void RenderEndTag(System::Web::UI::HtmlTextWriter ^ writer);protected override void RenderEndTag (System.Web.UI.HtmlTextWriter writer);override this.RenderEndTag : System.Web.UI.HtmlTextWriter -> unitProtected Overrides Sub RenderEndTag (writer As HtmlTextWriter)参数
- writer
- HtmlTextWriter
接收呈现内容的 HtmlTextWriter。
示例
下面的代码示例演示如何重写 RenderEndTag 方法，以便它始终在自定义 HtmlTable 服务器控件中写入结束标记和新行。
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ 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">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Custom HtmlTable - RenderEndTag Example</title>
</head>
<body>
<form id="Form1"
method="post"
runat="server">
<h3>Custom HtmlTable - RenderEndTag Example</h3>
<aspSample:CustomHtmlTableRenderEndTag
id="HtmlTable1"
name="HtmlTable1"
runat="server"
border="1"
cellSpacing="0"
cellPadding="5">
<tr>
<td>1,1</td>
<td>1,2</td>
<td>1,3</td>
</tr>
<tr>
<td>2,1</td>
<td>2,2</td>
<td>2,3</td>
</tr>
<tr>
<td>3,1</td>
<td>3,2</td>
<td>3,3</td>
</tr>
</aspSample:CustomHtmlTableRenderEndTag>
</form>
</body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ 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>Custom HtmlTable - RenderEndTag Example</title>
</head>
<body>
<form id="Form1"
method="post"
runat="server">
<h3>Custom HtmlTable - RenderEndTag Example</h3>
<aspSample:CustomHtmlTableRenderEndTag
id="HtmlTable1"
name="HtmlTable1"
runat="server"
border="1"
cellSpacing="0"
cellPadding="5">
<tr>
<td>1,1</td>
<td>1,2</td>
<td>1,3</td>
</tr>
<tr>
<td>2,1</td>
<td>2,2</td>
<td>2,3</td>
</tr>
<tr>
<td>3,1</td>
<td>3,2</td>
<td>3,3</td>
</tr>
</aspSample:CustomHtmlTableRenderEndTag>
</form>
</body>
</html>
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomHtmlTableRenderEndTag : System.Web.UI.HtmlControls.HtmlTable
{
protected override void RenderEndTag(System.Web.UI.HtmlTextWriter writer)
{
// Write out the current TagName.
writer.WriteEndTag(this.TagName);
// Write out a new line.
writer.WriteLine();
}
}
}
Imports System.Web
Imports System.Security.Permissions
Namespace Samples.AspNet.VB.Controls
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomHtmlTableRenderEndTag
Inherits System.Web.UI.HtmlControls.HtmlTable
Protected Overrides Sub RenderEndTag(ByVal writer As System.Web.UI.HtmlTextWriter)
' Write out the current TagName.
writer.WriteEndTag(Me.TagName)
' Write out a new line.
writer.WriteLine()
End Sub
End Class
End Namespace
注解
该方法 RenderEndTag 在调用基类 HtmlContainerControl.RenderEndTag 的方法后提供其他格式。 其他格式使控件的呈现 HTML HtmlTable 更易于阅读，方法是在结束 <table> 标记后插入行返回。
该方法 RenderChildren 主要由扩展控件功能的 HtmlTable 控件开发人员使用。