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POSend HTTP Request, parameter confusion
 

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    <p>I'm trying to send a HTTP request to a servers interface. But I'm really confused about how to specify the parameters I want to send to the servers interface method. What I've done so far.</p> <p>My server interface only accepts POST requests, that's why I'm using POST and asked if something is wrong with the way I use the parameters.</p> <pre><code>Dim parameters As String = "?text=test&amp;type=person" Dim buffer As Byte() = Encoding.UTF8.GetBytes(parameters) Dim WebReq As HttpWebRequest = CType(WebRequest.Create(NameRecPage), HttpWebRequest) 'NameRecPage is the url WebReq.Credentials = New NetworkCredential(Username, Password) 'variables are defined and theier values are valid WebReq.Method = "POST" WebReq.ContentType = "application/x-www-form-urlencoded" WebReq.ContentLength = buffer.Length Dim PostData As Stream = WebReq.GetRequestStream() PostData.Write(buffer, 0, buffer.Length) PostData.Close() Dim WebResp As HttpWebResponse = DirectCast(WebReq.GetResponse(), HttpWebResponse) Dim Answer As Stream = WebResp.GetResponseStream() Dim _Answer As New StreamReader(Answer) Dim inputBuffer As String = _Answer.ReadToEnd() </code></pre> <p>That's my code so far and it's sending a request. But i get an error saying that the first (and i think also the second) parameter is null. </p> <p>I'm quite unsure about these two line:</p> <pre><code>Dim parameters As String = "?text=test&amp;type=person" WebReq.ContentType = "application/x-www-form-urlencoded" </code></pre> <p>Is there something wrong with my parameter syntax?</p> <p>Are these spellings correct in my content? What is content type about? What does it say and how do I determine which value to put in there?</p> <p>I don't know if thats the correct value for ContentType, actually I just want to receive some JSON fromatted data returned as string.</p>
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    1. COWhat is the exact text of the error?
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    2. COUse WebRequest.Create(url) static method instead. http://stackoverflow.com/questions/1238773/problem-with-slash-within-a-query-string
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    3. COI think this references to GET requests only?
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      1. USinva
 

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