Gets or sets the version of the HTTP protocol to use for the current request.
public Version ProtocolVersion { set; get; }
Value
A Version that represents the HTTP version to use for the request. The default is HttpVersion.Version11.
Exceptions
Type Reason ArgumentException The HTTP version is set to a value other than 1.0 or 1.1.
Remarks
The System.Net.HttpWebRequest class supports only versions 1.0 and 1.1 of HTTP. Setting HttpWebRequest.ProtocolVersion to a different version causes a ArgumentException exception to be thrown.
Note: To set the HttpWebRequest.ProtocolVersion property of the current instance, specify one of the members of the use the System.Net.HttpVersion class.
Requirements
Namespace: System.Net
Assembly: System (in System.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0