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PageAdapter::DeterminePostBackMode Method

Determines whether the Web page is in postback and returns a name/value collection of the postback variables.

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

public:
virtual NameValueCollection^ DeterminePostBackMode()

Return Value

Type: System.Collections.Specialized::NameValueCollection
A NameValueCollection of the postback variables, if any; otherwise nullptr.

The DeterminePostBackMode method returns one of the following collections:

  • Form variables if the HTTP data transfer method is POST.

  • Query string variables if the HTTP method is GET.

Notes to Inheritors:

When you inherit from the PageAdapter class, you can override the DeterminePostBackMode method to provide target-specific handling of the postback variables collection.

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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