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HttpWebRequest.SendChunked Property

Gets or sets a value that indicates whether to send data in segments to the Internet resource.

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

public:
property bool SendChunked {
	bool get ();
	void set (bool value);
}
/** @property */
public boolean get_SendChunked ()

/** @property */
public void set_SendChunked (boolean value)

public function get SendChunked () : boolean

public function set SendChunked (value : boolean)

Not applicable.

Property Value

true to send data to the Internet resource in segments; otherwise, false. The default value is false.

Exception typeCondition

InvalidOperationException

The request has been started by calling the GetRequestStream, BeginGetRequestStream, GetResponse, or BeginGetResponse method.

When SendChunked is true, the request sends data to the Internet resource in segments. The Internet resource must support receiving chunked data.

Changing the SendChunked property after the request has been started by calling the GetRequestStream, BeginGetRequestStream, GetResponse, or BeginGetResponse method throws an InvalidOperationException.

The following code example sets the SendChunked property to true so that data can be sent in segments to the Internet resource.

// A new 'HttpWebRequest' object is created.
HttpWebRequest^ myHttpWebRequest = (HttpWebRequest^)( WebRequest::Create( myUri ) );
myHttpWebRequest->SendChunked = true;
// 'TransferEncoding' property is set to 'gzip'.
myHttpWebRequest->TransferEncoding = "gzip";
Console::WriteLine( "\nPlease Enter the data to be posted to the (http://<machine name>/CodeSnippetTest::asp) uri:" );
String^ inputData = Console::ReadLine();
String^ postData = String::Concat( "testdata= ", inputData );
// 'Method' property of 'HttpWebRequest' class is set to POST.
myHttpWebRequest->Method = "POST";
ASCIIEncoding^ encodedData = gcnew ASCIIEncoding;
array<Byte>^ byteArray = encodedData->GetBytes( postData );
// 'ContentType' property of the 'HttpWebRequest' class is set to S"application/x-www-form-urlencoded".
myHttpWebRequest->ContentType = "application/x-www-form-urlencoded";
// 'ContentLength' property is set to Length of the data to be posted.
myHttpWebRequest->ContentLength = byteArray->Length;
Stream^ newStream = myHttpWebRequest->GetRequestStream();
newStream->Write( byteArray, 0, byteArray->Length );
newStream->Close();
Console::WriteLine( "\nData has been posted to the Uri\n\nPlease wait for the response.........." );
// The response object of 'HttpWebRequest' is assigned to a 'HttpWebResponse' variable.
HttpWebResponse^ myHttpWebResponse = (HttpWebResponse^)( myHttpWebRequest->GetResponse() );
// Displaying the contents of the page to the console
Stream^ streamResponse = myHttpWebResponse->GetResponseStream();
StreamReader^ streamRead = gcnew StreamReader( streamResponse );
array<Char>^ readBuff = gcnew array<Char>(256);
int count = streamRead->Read( readBuff, 0, 256 );
Console::WriteLine( "\nThe contents of the HTML page are :  " );
while ( count > 0 )
{
   String^ outputData = gcnew String( readBuff,0,count );
   Console::WriteLine( outputData );
   count = streamRead->Read( readBuff, 0, 256 );
}
streamRead->Close();
streamResponse->Close();
myHttpWebResponse->Close();

// A new 'HttpWebRequest' object is created.
HttpWebRequest myHttpWebRequest = (HttpWebRequest)
    WebRequest.Create(myUri);
myHttpWebRequest.set_SendChunked(true);
// 'TransferEncoding' property is set to 'gzip'.
myHttpWebRequest.set_TransferEncoding("gzip");
Console.WriteLine("\nPlease Enter the data to "
    + " be posted to the "
    + "(http://<machine name>/CodeSnippetTest.asp) uri:");
String inputData = Console.ReadLine();
String postData = "testdata=" + inputData;

// 'Method' property of 'HttpWebRequest' class is set to POST.
myHttpWebRequest.set_Method("POST");
ASCIIEncoding encodedData = new ASCIIEncoding();
ubyte byteArray[] = encodedData.GetBytes(postData);

// 'ContentType' property of the 'HttpWebRequest' class is set
// to "application/x-www-form-urlencoded".
myHttpWebRequest.set_ContentType
    ("application/x-www-form-urlencoded");

// 'ContentLength' property is set to Length of the data to 
// be posted.
myHttpWebRequest.set_ContentLength(byteArray.length);
Stream newStream = myHttpWebRequest.GetRequestStream();
newStream.Write(byteArray, 0, byteArray.length);
newStream.Close();
Console.WriteLine("\nData has been posted to the Uri\n\nPlease"
    +" wait for the response..........");
// The response object of 'HttpWebRequest' is assigned to a 
//'HttpWebResponse' variable.
HttpWebResponse myHttpWebResponse = (HttpWebResponse)
    myHttpWebRequest.GetResponse();
// Displaying the contents of the page to the console
Stream streamResponse = myHttpWebResponse.GetResponseStream();
StreamReader streamRead = new StreamReader(streamResponse);
char readBuff[] = new char[256];
int count = streamRead.Read(readBuff, 0, 256);

Console.WriteLine("\nThe contents of the HTML page are :  ");
while (count > 0) {
    String outputData = new String(readBuff, 0, count);
    Console.WriteLine(outputData);
    count = streamRead.Read(readBuff, 0, 256);
}

// Release the response object resources.
streamRead.Close();
streamResponse.Close();
myHttpWebResponse.Close();

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, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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