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//------------------------------------------------------------------------------
// <copyright file="ErrorFormatterPage.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
/*
* This is a page class that is used for adaptive error formatting for mobile
* devices.
*
* NOTE: We explicitly override the state management methods because if the
* normal page class is used, an exception is thrown for mobile devices.
* For example, WmlPageAdapter uses SessionPageStatePersister
* for persisting view state. SessionPageStatePersister requires
* Context.Session to be available. Otherwise, it would throw in the
* constructor. However, when an error occurred, Context.Session is
* removed by SessionStateModule before the error is being formatted and
* rendered. Hence the methods are overridden below and ignored to avoid
* the exception since there is no need to persist any view state for the
* adaptive error page which is created dynamically during error handling.
*
* Copyright (c) 2003 Microsoft Corporation
*/
namespace System.Web.UI {
using System.Diagnostics.CodeAnalysis;
[SuppressMessage("Microsoft.MSInternal", "CA910:AlwaysSetViewStateUserKeyToUniqueValue",
Justification = "This page does not allow access to sensitive information.")]
internal sealed class ErrorFormatterPage : Page {
protected internal override void SavePageStateToPersistenceMedium(Object viewState) {
// Override and ignore. No need to save view state for this page.
}
protected internal override Object LoadPageStateFromPersistenceMedium() {
// Override and ignore. No view state to load for this page.
return null;
}
}
}
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