CreateDefault Method

WebRequest.CreateDefault Method (Uri)


Initializes a new WebRequest instance for the specified URI scheme.

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

public static WebRequest CreateDefault(
	Uri 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.

Exception Condition

The request scheme specified in requestUri is not registered.


requestUri is null.


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.


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

.NET Framework
Available since 1.1
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