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CreateDefault Method

WebRequest.CreateDefault Method

Initializes a new WebRequest instance for the specified URI scheme.

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

public static WebRequest CreateDefault(
	Uri requestUri
)

Parameters

requestUri
Type: System.Uri

A Uri containing the URI of the requested resource.

Return Value

Type: System.Net.WebRequest
A WebRequest descendant for the specified URI scheme.

ExceptionCondition
NotSupportedException

The request scheme specified in requestUri is not registered.

ArgumentNullException

requestUri is null.

SecurityException

The caller does not have permission to connect to the requested URI or a URI that the request is redirected to.

The CreateDefault method returns a WebRequest descendant instance based on only the scheme portion of a URI.

For example, when a URI beginning with http:// is passed in requestUri, an HttpWebRequest is returned by CreateDefault. If a URI beginning with file:// is passed instead, the CreateDefault method will return a FileWebRequest.

NoteNote:

This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing.

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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