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HtmlTextWriter::IsValidFormAttribute Method

Checks an attribute to ensure that it can be rendered in the opening tag of a <form> markup element.

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

public:
virtual bool IsValidFormAttribute(
	String^ attribute
)

Parameters

attribute
Type: System::String

A string that contains the name of the attribute to check.

Return Value

Type: System::Boolean
Always true.

The HtmlTextWriter class implementation of the IsValidFormAttribute method returns true for all attributes. Override the IsValidFormAttribute to limit the attributes that can be rendered in the opening tag of a <form> element.

Notes to Inheritors:

Override the IsValidFormAttribute method to return true only for those attributes that can be included in the <form> element of the markup for which the class derived from the HtmlTextWriter class is intended.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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