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HttpWebRequest.ProtocolVersion Property

.NET Framework 4.5

Gets or sets the version of HTTP to use for the request.

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

member ProtocolVersion : Version with get, set

Property Value

Type: System.Version
The HTTP version to use for the request. The default is HttpVersion.Version11.

Exceptions

Exception	Condition
ArgumentException	The HTTP version is set to a value other than 1.0 or 1.1.

Remarks

The HttpWebRequest class supports only versions 1.0 and 1.1 of HTTP. Setting ProtocolVersion to a different version throws an exception.

Note
To set the HTTP version of the current request, use the Version10 and Version11 fields of the HttpVersion class.

Examples

The following code example sets the ProtocolVersion Property.

C++

No code example is currently available or this language may not be supported.

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

HttpWebRequest Class

System.Net Namespace

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