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HtmlTextWriter::AddAttribute Method (String, String)

Adds the specified markup attribute and value to the opening tag of the element that the HtmlTextWriter object creates with a subsequent call to the RenderBeginTag method.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)

public:
virtual void AddAttribute(
	String^ name, 
	String^ value
)

Parameters

name
Type: System::String

A string containing the name of the attribute to add.

value
Type: System::String

A string containing the value to assign to the attribute.

Use the AddAttribute overload of the AddAttribute(String, String) method if the attribute is not one of the HtmlTextWriterAttribute values, or if the attribute is not known until run time.

For an instance of any given markup element, the HtmlTextWriter class maintains a list of attributes for that element. When the RenderBeginTag method is called, any attributes added by the AddAttribute method are rendered to the opening tag of the element. The list of attributes is then cleared from the HtmlTextWriter object.

The coding pattern for rendering markup elements is as follows:

  • Use the AddAttribute method to add any attributes to the element.

  • Use the RenderBeginTag method.

  • Use other methods as needed to render the content found between the element's opening and closing tags.

  • Use the RenderEndTag method.

The following code example demonstrates how to call the AddAttribute method before calling the RenderBeginTag method. The code calls two different overloads of AddAttribute and two different overloads of AddStyleAttribute before it calls the RenderBeginTag method to render a <span> element to the output stream. The AddAttribute(String, String) method is used to define the custom attribute named CustomAttribute and the custom value named CustomAttributeValue for the <span> element that this code renders.

No code example is currently available or this language may not be supported.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
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