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WebHeaderCollection.Get Method (Int32)

Get the value of a particular header in the collection, specified by an index into the collection.

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

'Declaration
Public Overrides Function Get ( _
	index As Integer _
) As String

Parameters

index
Type: System.Int32
The zero-based index of the key to get from the collection.

Return Value

Type: System.String
A String containing the value of the specified header.

ExceptionCondition
ArgumentOutOfRangeException

index is negative.

-or-

index exceeds the size of the collection.

The following code example uses the Get method to retrieve a header value in a WebHeaderCollection.


If args.Length = 0 Then
    Console.WriteLine("must specify a URL!")
    Return
End If
Dim server As String = args(0)

' Create the web request 
Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create(server), HttpWebRequest)
myHttpWebRequest.Timeout = 1000
' Get the associated response for the above request.
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)

' Get the headers associated with the response.
Dim myWebHeaderCollection As WebHeaderCollection = myHttpWebResponse.Headers

For i = 0 To myWebHeaderCollection.Count - 1
    Dim header As String = myWebHeaderCollection.GetKey(i)
    Dim values() As String = myWebHeaderCollection.GetValues(header)
    If values.Length > 0 Then
        Console.WriteLine("The values of {0} header are : ", header)
        For j = 0 To values.Length - 1
            Console.WriteLine(vbTab & "{0}", values(j))
        Next j
    Else
        Console.WriteLine("There is no value associated" & "with the header")
    End If
Next i
Console.WriteLine("")

' Get the headers again, using new properties (Keys, 
' AllKeys, Clear) and methods (Get and GetKey)

Dim headers() As String = myWebHeaderCollection.AllKeys

' enumerate through the header collection.
For Each s In headers
    Console.WriteLine("Header {0}, value {1}", s, myWebHeaderCollection.Get(s))
Next s

Console.WriteLine("")

' show the use of Get(Int32) and GetValue(Int32)
If myWebHeaderCollection.Count > 0 Then
    ' get the name and value of the first header
    Dim index As Integer = 0
    Console.WriteLine("Header {0}: name {1}, value {2}", index, myWebHeaderCollection.GetKey(index), myWebHeaderCollection.Get(index))
End If

myWebHeaderCollection.Clear()

myHttpWebResponse.Close()


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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