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Page.CreateHtmlTextWriter Method
.NET Framework 3.0
Creates an HtmlTextWriter object to render the page's content.
Namespace: System.Web.UI
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
protected HtmlTextWriter CreateHtmlTextWriter ( TextWriter tw )
protected internal function CreateHtmlTextWriter ( tw : TextWriter ) : HtmlTextWriter
Not applicable.
Parameters
- tw
The TextWriter used to create the HtmlTextWriter.
Return Value
An HtmlTextWriter or Html32TextWriter.The following code example uses the CreateHtmlTextWriter method to create an instance of a custom HtmlTextWriter object named MyHtmlTextWriter. The CreateHtmlTextWriter method is overridden in the MyPage class, which is derived from Page, so that MyHtmlTextWriter renders ASP.NET server controls when the page is requested. Note that this example will prevent adapter TextWriter behavior.
namespace WebPage { using System; using System.IO; using System.Web.UI; public class MyPage : Page { public MyPage():base() { } [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")] protected override HtmlTextWriter CreateHtmlTextWriter(TextWriter writer) { return new MyHtmlTextWriter(writer); } [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")] protected override void Render(HtmlTextWriter writer) { // Write a Font control. writer.AddAttribute("color", "red"); writer.AddAttribute("size", "6pt"); writer.RenderBeginTag(HtmlTextWriterTag.Font); writer.Write("<br>" + "The time on the server:<br> " + System.DateTime.Now.ToLongTimeString()); writer.RenderEndTag(); } } public class MyHtmlTextWriter : HtmlTextWriter { public MyHtmlTextWriter(TextWriter writer):base(writer) { writer.Write("<font color=blue> 'MyHtmlTextWriter' is used for rendering.</font>"); } } }
import System.*;
import System.IO.*;
import System.Web.UI.*;
public class MyPage extends Page
{
public MyPage()
{
} //MyPage
protected HtmlTextWriter CreateHtmlTextWriter(TextWriter writer)
{
return new MyHtmlTextWriter(writer);
} //CreateHtmlTextWriter
protected void Render(HtmlTextWriter writer)
{
// Write a Font control.
writer.AddAttribute("color", "red");
writer.AddAttribute("size", "6pt");
writer.RenderBeginTag(HtmlTextWriterTag.Font);
writer.Write("<br>" + "The time on the server:<br> "
+ System.DateTime.get_Now().ToLongTimeString());
writer.RenderEndTag();
} //Render
} //MyPage
public class MyHtmlTextWriter extends HtmlTextWriter
{
public MyHtmlTextWriter(TextWriter writer)
{
super(writer);
writer.Write("<font color=blue> 'MyHtmlTextWriter' is used for "
+ "rendering.</font>");
} //MyHtmlTextWriter
} //MyHtmlTextWriter
