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WebHeaderCollection.Set Method (String, String)

Sets the specified header to the specified value.

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

abstract Set : 
        name:string * 
        value:string -> unit  
override Set : 
        name:string * 
        value:string -> unit

Parameters

name
Type: System.String

The header to set.

value
Type: System.String

The content of the header to set.

ExceptionCondition
ArgumentNullException

name is a null reference (Nothing in Visual Basic) or Empty.

ArgumentOutOfRangeException

The length of value is greater than 65535.

ArgumentException

name is a restricted header.

-or-

name or value contain invalid characters.

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

If the header specified in header is already present, value replaces the existing value.

The following example uses the Set method to set the value of an existing header.

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, 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.

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