Parameters

headerName

A string containing the header to test. [Edit]

Returns

true if the header is protected; otherwise false . [Edit]

Exceptions

Type	Reason
ArgumentNullException	headerName is null or string.Empty. [Edit]
ArgumentException	headerName contains invalid characters. [Edit]

Remarks

This method returns true to indicate that a header is protected. Protected headers can only be set through provided property accessors or by the system. They cannot be set directly in the current instance.

The protected headers are:

• Accept
• Connection
• Content-Length
• Content-Type
• Date
• Expect
• Host
• If-Modified-Since
• Range
• Referer
• Transfer-Encoding
• UserAgent

[Edit]

Requirements

Namespace: System.Net
Assembly: System (in System.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0