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FormParameter::Evaluate Method
Visual Studio 2010
Updates and returns the value of the FormParameter object.
Assembly: System.Web (in System.Web.dll)
protected public: virtual Object^ Evaluate( HttpContext^ context, Control^ control ) override
Parameters
- context
- Type: System.Web::HttpContext
The current HttpContext of the request.
- control
- Type: System.Web.UI::Control
A Control that is associated with the page where the FormParameter is used.
Return Value
Type: System::ObjectAn object that represents the updated and current value of the parameter. If the context or the request is null (Nothing in Visual Basic), the Evaluate method returns null.
The FormParameter attempts to bind to the form variable every time the Evaluate method is called.
The context parameter is used by the Evaluate method to retrieve the value of the specified form field from the request. The control parameter is ignored.
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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