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HtmlTextWriter::IsAttributeDefined Method (HtmlTextWriterAttribute, String%)
Visual Studio 2010
Determines whether the specified markup attribute and its value are rendered during the next call to the RenderBeginTag method.
Assembly: System.Web (in System.Web.dll)
protected: bool IsAttributeDefined( HtmlTextWriterAttribute key, [OutAttribute] String^% value )
Parameters
- key
- Type: System.Web.UI::HtmlTextWriterAttribute
The HtmlTextWriterAttribute associated with the markup attribute.
- value
- Type: System::String%
The value assigned to the attribute.
Return Value
Type: System::Booleantrue if the attribute is rendered during the next call to the RenderBeginTag method; otherwise, false.
If the IsAttributeDefined method returns true, the value to be assigned to the HtmlTextWriterAttribute object is returned in the value parameter.
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.
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