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HttpListenerRequest.ContentType Property

Gets the MIME type of the body data included in the request.

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

'Declaration
Public ReadOnly Property ContentType As String
'Usage
Dim instance As HttpListenerRequest
Dim value As String

value = instance.ContentType

/** @property */
public String get_ContentType ()

public function get ContentType () : String

Not applicable.

Property Value

A String that contains the text of the request's Content-Type header.

If a client includes body data in a request, it declares the Multipurpose Internet Mail Extensions (MIME) type of the body data in the Content-Type header. For example, the default MIME type of data returned from a Web form using the POST method is application/x-www-form-urlencoded.

For a complete list of request headers, see the HttpRequestHeader enumeration and RFC 2616, available at http://www.rfc-editor.org.

The ContentType is null when there is no Content-Type header in the request.

The following code example demonstrates how to use this property.

public static void ShowRequestData (HttpListenerRequest request)
{
    if (!request.HasEntityBody)
    {
        Console.WriteLine("No client data was sent with the request.");
        return;
    }
    System.IO.Stream body = request.InputStream;
    System.Text.Encoding encoding = request.ContentEncoding;
    System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
    if (request.ContentType != null)
    {
        Console.WriteLine("Client data content type {0}", request.ContentType);
    }
    Console.WriteLine("Client data content length {0}", request.ContentLength64);
   
    Console.WriteLine("Start of client data:");
    // Convert the data to a string and display it on the console.
    string s = reader.ReadToEnd();
    Console.WriteLine(s);
    Console.WriteLine("End of client data:");
    body.Close();
    reader.Close();
    // If you are finished with the request, it should be closed also.
}

public static void ShowRequestData(HttpListenerRequest request)
{
    if (!(request.get_HasEntityBody())) {
        Console.WriteLine("No client data was sent with the request.");
        return;
    }
    System.IO.Stream body = request.get_InputStream();
    System.Text.Encoding encoding = request.get_ContentEncoding();
    System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
    if (request.get_ContentType() != null) {
        Console.WriteLine("Client data content type {0}", 
            request.get_ContentType());
    }
    Console.WriteLine("Client data content length {0}", 
        System.Convert.ToString(request.get_ContentLength64()));

    Console.WriteLine("Start of client data:");
    // Convert the data to a string and display it on the console.
    String s = reader.ReadToEnd();
    Console.WriteLine(s);
    Console.WriteLine("End of client data:");
    body.Close();
    reader.Close();
} //ShowRequestData
// If you are finished with the request, it should be closed also.

Windows 98, Windows Server 2003, Windows XP Media Center 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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