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XAttribute.SetValue Method

Sets the value of this attribute.

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

public void SetValue(
	Object value
)

Parameters

value
Type: System.Object
The value to assign to this attribute.

ExceptionCondition
ArgumentNullException

The value parameter is null.

ArgumentException

The value is an XObject.

The value is converted to its string representation and assigned to the Value property.

It is invalid to pass an instance of a class that derives from XObject, such as XElement or XAttribute.

This method will raise the Changed and the Changing events.

The following example creates an element with several attributes. It then changes the contents of one of the attributes.

XElement root = new XElement("Root",
    new XAttribute("Att1", "content1"),
    new XAttribute("Att2", "content2"),
    new XAttribute("Att3", "content3")
);
XAttribute att = root.Attribute("Att2");
att.SetValue("new content");
Console.WriteLine(root);

This example produces the following output:

<Root Att1="content1" Att2="new content" Att3="content3" />

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.

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