Table.AddAttributesToRender(HtmlTextWriter) 方法
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
將需要呈現的 HTML 屬性和樣式加入至指定的 HtmlTextWriter 中。
protected:
override void AddAttributesToRender(System::Web::UI::HtmlTextWriter ^ writer);protected override void AddAttributesToRender (System.Web.UI.HtmlTextWriter writer);override this.AddAttributesToRender : System.Web.UI.HtmlTextWriter -> unitProtected Overrides Sub AddAttributesToRender (writer As HtmlTextWriter)參數
- writer
- HtmlTextWriter
將 HTML 內容呈現給用戶端的輸出資料流。
範例
下列程式碼範例示範如何在自訂伺服器控制項中覆寫 AddAttributesToRender 方法，以將 屬性新增至 Table 。
<%@ Page Language="C#" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<!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 id="Head2" runat="server">
<title>Custom Table - AddAttributesToRender - C# Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Custom Table - AddAttributesToRender - C# Example</h3>
<aspSample:CustomTableAddAttributesToRender
id="Table1" runat="server"
GridLines="Both" CellPadding="4">
<asp:TableRow>
<asp:TableCell>Row 0, Col 0</asp:TableCell>
<asp:TableCell>Row 0, Col 1</asp:TableCell>
</asp:TableRow>
<asp:TableRow>
<asp:TableCell>Row 1, Col 0</asp:TableCell>
<asp:TableCell>Row 1, Col 1</asp:TableCell>
</asp:TableRow>
</aspSample:CustomTableAddAttributesToRender>
</div>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.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 id="Head2" runat="server">
<title>Custom Table - AddAttributesToRender - VB Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Custom Table - AddAttributesToRender - VB Example</h3>
<aspSample:CustomTableAddAttributesToRender
id="Table1" runat="server"
GridLines="Both" CellPadding="4">
<asp:TableRow>
<asp:TableCell>Row 0, Col 0</asp:TableCell>
<asp:TableCell>Row 0, Col 1</asp:TableCell>
</asp:TableRow>
<asp:TableRow>
<asp:TableCell>Row 1, Col 0</asp:TableCell>
<asp:TableCell>Row 1, Col 1</asp:TableCell>
</asp:TableRow>
</aspSample:CustomTableAddAttributesToRender>
</div>
</form>
</body>
</html>
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomTableAddAttributesToRender : System.Web.UI.WebControls.Table
{
protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
{
// Add a client-side onclick event to the button.
writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Onclick, "alert('Hello World');");
// Call the base's AddAttributesToRender method.
base.AddAttributesToRender(writer);
}
}
}
Imports System.Web
Imports System.Security.Permissions
Namespace Samples.AspNet.VB.Controls
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomTableAddAttributesToRender
Inherits System.Web.UI.WebControls.Table
Protected Overrides Sub AddAttributesToRender(ByVal writer As System.Web.UI.HtmlTextWriter)
' Add a client-side onclick event to the button.
writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Onclick, "alert('Hello World');")
' Call the base's AddAttributesToRender method.
MyBase.AddAttributesToRender(writer)
End Sub
End Class
End Namespace
備註
這個方法主要是由控制項開發人員用來將適當的屬性和樣式插入控制項的 HtmlTextWriter 輸出資料流程 Table 中。 這個方法會覆寫 WebControl.AddAttributesToRender。