Table.RenderContents(HtmlTextWriter) Metode
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Merender baris dalam kontrol tabel ke penulis yang ditentukan.
protected:
override void RenderContents(System::Web::UI::HtmlTextWriter ^ writer);
protected public:
override void RenderContents(System::Web::UI::HtmlTextWriter ^ writer);
protected override void RenderContents (System.Web.UI.HtmlTextWriter writer);
protected internal override void RenderContents (System.Web.UI.HtmlTextWriter writer);
override this.RenderContents : System.Web.UI.HtmlTextWriter -> unit
Protected Overrides Sub RenderContents (writer As HtmlTextWriter)
Protected Friend Overrides Sub RenderContents (writer As HtmlTextWriter)
Parameter
- writer
- HtmlTextWriter
Yang HtmlTextWriter mewakili aliran output untuk merender konten HTML pada klien.
Pengecualian
Bagian tabel tidak berurutan.
Contoh
Contoh kode berikut menunjukkan cara mengambil alih RenderContents metode dalam kontrol server kustom sehingga selalu menyisipkan baris header untuk kontrol server kustom Table .
<%@ 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 Table - RenderContents - C# Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Table - RenderContents - C# Example</h3>
<aspSample:CustomTableRenderContents
id="Table1"
runat="server"
GridLines="Both">
<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:CustomTableRenderContents>
</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 Table - RenderContents - VB.NET Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Table - RenderContents - VB.NET Example</h3>
<aspSample:CustomTableRenderContents id="Table1" runat="server" GridLines="Both">
<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:CustomTableRenderContents>
</form>
</body>
</html>
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomTableRenderContents : System.Web.UI.WebControls.Table
{
protected override void RenderContents(System.Web.UI.HtmlTextWriter writer)
{
// Insert a header row.
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Tr);
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Th);
writer.Write("Col 0");
writer.RenderEndTag();
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Th);
writer.Write("Col 1");
writer.RenderEndTag();
writer.RenderEndTag();
// Call the base RenderContents method.
base.RenderContents(writer);
}
}
}
Imports System.Web
Imports System.Security.Permissions
Namespace Samples.AspNet.VB.Controls
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomTableRenderContents
Inherits System.Web.UI.WebControls.Table
Protected Overrides Sub RenderContents(ByVal writer As System.Web.UI.HtmlTextWriter)
' Insert a header row.
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Tr)
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Th)
writer.Write("Col 0")
writer.RenderEndTag()
writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Th)
writer.Write("Col 1")
writer.RenderEndTag()
writer.RenderEndTag()
' Call the base RenderContents method.
MyBase.RenderContents(writer)
End Sub
End Class
End Namespace
Keterangan
Metode ini digunakan terutama oleh pengembang kontrol saat mengambil kelas kustom dari Table kontrol.
Kontrol Table mengimplementasikan RenderContents untuk merender Rows tabel.