HttpWebRequest.ContentType Property
.NET Framework (current version)
Gets or sets the value of the Content-type HTTP header.
Assembly: System (in System.dll)
Property Value
Type: System.StringThe value of the Content-type HTTP header. The default value is null.
The ContentType property contains the media type of the request. Values assigned to the ContentType property replace any existing contents when the request sends the Content-type HTTP header.
To clear the Content-type HTTP header, set the ContentType property to null.
Note |
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The value for this property is stored in WebHeaderCollection . If WebHeaderCollection is set, the property value is lost. |
The following code example sets the ContentType property.
' Set the 'Method' property of the 'Webrequest' to 'POST'. myHttpWebRequest.Method = "POST" Console.WriteLine(ControlChars.Cr + "Please enter the data to be posted to the (http://www.contoso.com/codesnippets/next.asp) Uri :") ' Create a new string object to POST data to the Url. Dim inputData As String = Console.ReadLine() Dim postData As String = "firstone" + ChrW(61) + inputData Dim encoding As New ASCIIEncoding() Dim byte1 As Byte() = encoding.GetBytes(postData) ' Set the content type of the data being posted. myHttpWebRequest.ContentType = "application/x-www-form-urlencoded" ' Set the content length of the string being posted. myHttpWebRequest.ContentLength = byte1.Length Dim newStream As Stream = myHttpWebRequest.GetRequestStream() newStream.Write(byte1, 0, byte1.Length) Console.WriteLine("The value of 'ContentLength' property after sending the data is {0}", myHttpWebRequest.ContentLength) newStream.Close()
Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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