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WebHeaderCollection.Add Method (HttpRequestHeader, String)

Inserts the specified header with the specified value into the collection.

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

'Declaration
Public Sub Add ( _
	header As HttpRequestHeader, _
	value As String _
)
'Usage
Dim instance As WebHeaderCollection
Dim header As HttpRequestHeader
Dim value As String

instance.Add(header, value)
public void Add (
	HttpRequestHeader header, 
	String value
)
public function Add (
	header : HttpRequestHeader, 
	value : String
)
Not applicable.

Parameters

header

The header to add to the collection.

value

The content of the header.

Exception typeCondition

ArgumentOutOfRangeException

The length of value is greater than 65535.

InvalidOperationException

This WebHeaderCollection instance does not allow instances of HttpRequestHeader.

If the specified header does not exist, the Add method inserts a new header into the list of header name/value pairs.

If the specified header is already present, value is added to the comma-separated list of values associated with the header.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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