This documentation is archived and is not being maintained.

XmlElement.SetAttribute Method (String, String, String)

Sets the value of the attribute with the specified local name and namespace URI.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

abstract SetAttribute : 
        localName:string * 
        namespaceURI:string * 
        value:string -> string 
override SetAttribute : 
        localName:string * 
        namespaceURI:string * 
        value:string -> string 


Type: System.String
The local name of the attribute.
Type: System.String
The namespace URI of the attribute.
Type: System.String
The value to set for the attribute.

Return Value

Type: System.String
The attribute value.

The following example adds an attribute to an element.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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