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HtmlTextWriter.IsStyleAttributeDefined Method (HtmlTextWriterStyle, String%)

Determines whether the specified markup style attribute and its value are rendered during the next call to the RenderBeginTag method.

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

protected bool IsStyleAttributeDefined(
	HtmlTextWriterStyle key,
	out string value


Type: System.Web.UI.HtmlTextWriterStyle
The HtmlTextWriterStyle associated with the attribute.
Type: System.String%
The value assigned to the style attribute.

Return Value

Type: System.Boolean
true if the attribute and its value will be rendered during the next call to the RenderBeginTag method; otherwise, false.

If the IsStyleAttributeDefined method returns true, the value to be assigned to the HtmlTextWriterStyle attribute is returned in the value parameter.

.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.