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HttpApplication.Error Event

Occurs when an unhandled exception is thrown.

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

public event EventHandler Error

The exception that raises the Error event can be accessed by a call to the GetLastError method. If your application generates custom error output, suppress the default error message that is generated by ASP.NET by a call to the ClearError method.

NoteNote

If your Web application contains XML Web services, you cannot use the Error event for global exception handling of those services. The HTTP handler for XML Web services consumes any exception that occurs in an XML Web service and converts it to a SOAP fault before the Error being called. To handle XML Web service exceptions, build a SOAP extension to process Web service exceptions in a custom global exception handler.

For more information about how to handle events, see Consuming Events.

TopicLocation
How to: Display Safe Error MessagesBuilding ASP .NET Web Applications
How to: Display Safe Error MessagesBuilding ASP .NET Web Applications

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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