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These classes are used to write the elements, attributes, and style and layout information for different types of markup. The HtmlTextWriter is also the base class for all markup writers in the namespace, including the ChtmlTextWriter, Html32TextWriter, and XhtmlTextWriter classes. The HtmlTextWriter class is used to render HTML 4.0 to desktop browsers. Writer.Write(HtmlTextWriter.TagRightChar)

Writer.WriteAttribute("alt", "A custom image.") Writer.RenderBeginTag(HtmlTextWriterTag.Img) Writer.AddAttribute(HtmlTextWriterAttribute.Alt, _ ' Controls the encoding of markup attributes ' Create a space and indent the markup inside the Writer.RenderBeginTag(HtmlTextWriterTag.Span) Writer.AddStyleAttribute("CustomStyle", "CustomStyleValue") Writer.AddStyleAttribute(HtmlTextWriterStyle.Color, "Red") Writer.AddAttribute("CustomAttribute", "CustomAttributeValue") Writer.AddAttribute(HtmlTextWriterAttribute.Onclick, "alert('Hello') ") ' Set attributes and values along with attributes and styles Protected Overrides Sub Render(ByVal writer As HtmlTextWriter) ' Overrides the Render method to write a element Writer.AddAttribute(HtmlTextWriterAttribute.Alt, Controls the encoding of markup attributes Create a space and indent the markup inside the Writer.AddStyleAttribute("Customstyle", "CustomStyleValue") Set attributes and values along with attributes and styles Protected override void Render(HtmlTextWriter writer) Overrides the Render method to write a element The code example illustrates how to use various HtmlTextWriter methods, properties, and fields. The following code example shows how to override the Render method of a custom control that is derived from the Control class.