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HtmlTextWriter.AddAttribute Method (String, String, HtmlTextWriterAttribute)

Adds the specified markup attribute and value, along with an HtmlTextWriterAttribute enumeration 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)

protected virtual void AddAttribute(
	string name,
	string value,
	HtmlTextWriterAttribute key
)

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.

key
Type: System.Web.UI.HtmlTextWriterAttribute

An HtmlTextWriterAttribute that represents the attribute.

Use the AddAttribute overload of the AddAttribute(String, String, HtmlTextWriterAttribute) method only when inheriting from the HtmlTextWriter class. It enables you to create new name and key pairs for attributes.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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