Im trying to send multiple data (eg username/password/hidden field) to a website but it doesn't seem to work. The following is what i have:

Website Code

Code:

<form>
<input type="text" name="txtUsername" />
<input type="password" name="txtPassword />
<input type="hidden" name="txtHidden" value="123" />
</form>

vb.Net Code
Code:

Dim wRequest As HttpWebRequest = HttpWebRequest.Create(sWebsite & "/login.aspx")
Dim sPost As String = ""

sPost &= "txtUsername=" & sUsername & "&"
sPost &= "txtPassword=" & sPassword & "&"
sPost &= "txtHidden=123"

Dim byteArray As Byte() = Encoding.UTF8.GetBytes(sPost)
 With wRequest

.ContentType = "application/x-www-form-urlencoded"
.ContentLength = byteArray.Length
.Method = "POST"

Dim dataStream As Stream = .GetRequestStream()

dataStream.Write(byteArray, 0, byteArray.Length)
dataStream.Close()

Dim response As WebResponse = .GetResponse()
dataStream = response.GetResponseStream()

Dim reader As New StreamReader(dataStream)
Dim responseFromServer As String = reader.ReadToEnd()

msgbox(responseFromServer)
'This gives me the login.aspx source (if something was submitted it would be different)

reader.Close()
dataStream.Close()
response.Close()

Anyone have any previous experience in this? Before, the website used to accept GET requests, now its been changed it doesn't .

Thanks

Does it say wrong username or password or something?

Maybe you should check the request sent from your browser to see if you're missing anything.

I usually use StreamReader with URLEncoder to send the request. You should easily find an example somewhere on the net

Doesn't say incorrect anything, just displays the login page as if you first opened it. I made sure i was sending all the vars (saved page locally, changed method to GET then copied vars). I will do some more research

you need to employ a cookie container sniperkid. you can see how that's done in my solution to the lights-out puzzle, but i think this is the code segment you're looking for:

    Private Sub BrightShadowsLogin()
        Dim postData As String = _
            "retry=&submitted=1&location=%2Fhome.php&" & _
            "edit_username=" & BrightShadowsUsername & _
            "&edit_password=" & BrightShadowsPassword

        Dim httpRequest As HttpWebRequest
        Dim httpResponse As WebResponse
        Dim dataStream As Stream
        Dim byteArray As Byte() = Encoding.UTF8.GetBytes(postData)
        Dim strResponse As String

        httpRequest = CType(WebRequest.Create("http://bright-shadows.net/login.php"), HttpWebRequest)
        httpRequest.Method = "POST"
        httpRequest.Timeout = miTimeOut * 1000
        httpRequest.AllowAutoRedirect = True
        httpRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
        httpRequest.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729)"
        httpRequest.KeepAlive = True
        httpRequest.CookieContainer = miCookieJar
        httpRequest.ContentType = "application/x-www-form-urlencoded"
        httpRequest.ContentLength = byteArray.Length
        Try
            'TX
            dataStream = httpRequest.GetRequestStream()
            dataStream.Write(byteArray, 0, byteArray.Length)
            dataStream.Close()
            'RX
            httpResponse = httpRequest.GetResponse()
            dataStream = httpResponse.GetResponseStream()
            Dim reader As New StreamReader(dataStream)
            strResponse = reader.ReadToEnd()
            reader.Close()
            dataStream.Close()
            httpResponse.Close()

        Catch
            'Fail

        End Try
    End Sub

mmm maybe its not my code, maybe im not submitting the correct information example of the stuff im submitting is:

        sPost &= "__LASTFOCUS=&"
        sPost &= "__EVENTTARGET=&"
        sPost &= "__EVENTARGUMENT=&"
        sPost &= "__VIEWSTATE=/wEPDwUJMjE4NDk2NjYxD2QWAmYPZBYCAgMPZBYCAgEPDxYCHgRUZXh0BQMxMDVkZGROTAtiBEeqBpwbVz+Zh68Bcs/LLve+xk195WuB5nowHg==&"
        sPost &= "__EVENTVALIDATION=/wEWBAK+6ajbDALJ4frZBwL90KKTCAKO9e+RAZmqn2sxUhlSXxifN65YRY4UESnY12T/vJMCV0Jnu+ty&"
        sPost &= "ctl00$ContentPlaceHolder1$txtUsername=test&"
        sPost &= "ctl00$ContentPlaceHolder1$txtPassword=test&"
        sPost &= "ctl00$ContentPlaceHolder1$btnLogin=Login&"
        sPost &= "recaptcha_challenge_field=03AHJ_VutxztrM0v7h_9hUFQ6PzKwBIHounw_udoJaP8p0BCz93zc7k7EBDPuKyBliXyjo-W31hWJufZb7q0o905fIgkhFrB6zyaAt8WVIcZdBS9bCVMR5zC-gqVKB3n8dohLeCVbx9Fjnfx1NtxYYed-Q4ooK8YAk-w&"
        sPost &= "recaptcha_response_field=from+ductrop"

For testing purposes im putting the recaptcha things in manually.

Edit: paste screwy

i think you have my email address, as you are on my windows live list. if you need more help, email me and maybe we can get to the bottom of it. (suicidaloptimist)