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HtmlTextWriter.EncodeAttributeValue Method (HtmlTextWriterAttribute, String)

Encodes the value of the specified markup attribute based on the requirements of the HttpRequest object of the current context.

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

protected virtual string EncodeAttributeValue(
	HtmlTextWriterAttribute attrKey,
	string value


Type: System.Web.UI.HtmlTextWriterAttribute
An HtmlTextWriterAttribute representing the markup attribute.
Type: System.String
A string containing the attribute value to encode.

Return Value

Type: System.String
A string containing the encoded attribute value.

The EncodeAttributeValue method removes double quotation marks ("), ampersands (&), and less than signs (<) so that invalid tags are not generated, regardless of the input. The actual encoding is performed by the HtmlAttributeEncode method.

.NET Framework

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

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.