Use Post Data Instead Of A Web Browser?

Feb 12, 2010

I am creating that will use Post Data instead of a web browser. I am new to post and this is my first time using it. I decided to go with something easy, and just make a program to auto login to Facebook. When I try it out it doesn't log me in. There are no errors or anything, just doesn't work. My code is below if anyone wouldn't mind checking it out to see what is wrong.

Imports System.Net
Imports System.IO
Imports System.Text[code]....


Submit Post Data Using COM Browser?

Mar 4, 2009

Hey everyone I am having some trouble figuring out how to submit post data using the axwebbrowser control.

here's what I'd like to do:

1. In the event of a captcha, an inputbox shows up and asks the user for the captcha.

2. Submit the data entered into the inputbox using the POST method.[code]....

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i wish to use this form which returns a value true or false,

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also whats a better alternative to ie browsers in, i been looking at gecko but people say it requires you to include 16mb+ worth of files?!?

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I've code this code below:

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I'm retrieving those values by doing: $user = $_POST["user"]; $pass = $_POST["pass"];

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I'm currently working on web application using VB in ASP.NET.Right now I have 1 page with panels that we are using to show/hide depending on the flow. When the user first comes in, he/she is presented with a gridview containing a list of clients. Then the user, clicks a link from a row and is presented a form where he/she can update the clients' info.Originally, I had a HYPERLINKFIELD that put the clientId in the url, then I'd grab the url and do the code appropriately

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May 17, 2011

this is my code right now:


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Now I do not know exactly how they POST it but now on my Test.aspx page I need to write code that will save that data to a database.

But how would this work and what must I do on my Test.aspx page?

I wrote some code in my Page Load Event that sends me an email on Page Load to see if they actually hit the page and it does not seem like they are even?

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My goal here is to replicate the sending of an email through an SMTP server.

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This is code return HTML code (GET metod):

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim strRemoteHost As String
Dim strURLPath As String
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Jul 28, 2009

Here's my code

theRequest.Method = "POST"
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public class MyClass
{ [SoapAttribute]


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I just re did my question and added a few other scripts needed to pull everything together This is the small script I am using to receive the post and push the data into the SQL Server (2008 if that matters):


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so for example, i have this PHP function, which writes to a file:

$File = "textfile.txt";
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Jan 24, 2012

I can grab info from a website uing httpwebrequest but i don't know how to post to a form :/Ive always used a webbrowser for this but its a tad slow.Here is what i use with a webbrowser:

Dim DBSplit() As String = Split(TextBox5.Text, "/")
WebBrowser1.Document.GetElementById("email").SetAttribute("value", TextBox1.Text)
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How would i post this data to a form using httpwebrequest?

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I am creating a program that will assist users upload a file to a couple different upload sites. There will be RapidShare and Uploading. I want to keep the GUI clean and simple, so I do not want to use a web browser. I have not used much Post Data, but am wanting to use it for this job. What I want the program to do is after the user specifies a file, the program will automatically upload the file to the site.

Here is what I have so far:
Public Function MultiUpload(ByRef data As String, ByRef url As String) As String
Dim request As HttpWebRequest = DirectCast(WebRequest.Create(url), HttpWebRequest)
request.Method = "POST"
request.ContentType = "application/x-www-form-urlencoded"
Dim postData As String = data
request.ContentLength = PostData.Length
request.ContentLength = PostData.Length
End Function

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Jun 30, 2010

Public Class zWrapper
#Region " Variable Declaration "
Private _AllowRedirects = True, _UseGZIP As Boolean = True


It works fine for GET requests, but when I try a POST, it errors: Quote:

A first chance exception of type 'System.NullReferenceException' occurred in WindowsApplication1.exe
Request Error: Object reference not set to an instance of an object.

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sub website1(vars)
'login here
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The problem is that I can't control what happens after submit button is clicked. I need to pause or stop the process at any time. If I exit the program while processing, I can see that even if the window disappear, the program is still running!I tried to use a thread for this, but the subs only get called if I use begininvoke, or invoke on a starter thread.

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Function GetPage(ByVal Url As String) As String
Dim CookieJar As New Net.CookieContainer
Dim enc As Encoding = Encoding.GetEncoding(1252)
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I've managed to narrow down my issue to a simple annoyance. I had a Webbrowser control mostly coded to navigate around an Oracle CRM On Demand site to generate metric reports, but then realized when I tried to build in the auto-download part, that the Webbrowser object wasn't going to give me the behind-the-scenes control I wanted. Searching online, it seems the Webclient control might be a better route. However I'm stuck trying to get by the login page so I can use the Download-File method to get my generated xls report. [Code] But every reply from the server has "Sign In Error: Both a user sign in ID and a password must be given." which tells me the form/post data isn't getting where it needs to go (It thinks the form is blank at [Code].

The above username and password are bogus of course, but once I can get a different reply then 'the fields are blank' I can worry about correct logon information. I'm just not sure what I'm not doing correctly or if I need to include something else. Since it's a publicly accessible site and I'm stuck getting something in the form to be 'seen', it should be easy for others to try and test.

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EDIT: It was easier than I thought when you don't need to do it silent in the background.

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One of the user controls contains radio buttons and a text box together with a submit button. What I want to do is process that information when the form is posted using the submit button.

I could do this with an AJAX call using jQuery, but I don't really want to do that, so I'm trying to access the form data on postback, but on page load following the postback the data is not present in the Request.Form object.

Looking at what I need to do it seems pretty simple and I'm sure is once you've got your head around it, but I can't find out how to carry this out. Some of the things I have read refer to event bubbling, but that doesn't make too much sense in this scenario.

EDIT: To clarify, I want to post the page back to itself to capture the values from the form elements via the Request object, store them in the database, and then display a confirmation message (or something else) on postback, and not re-display the same control again. So I won't be loading the same user control again.

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<edit on 10th March 2010.>

Changed thread type to QUESTION. I was then able to mark AS ANSWER the relevent post which now also immediately follows this post and so it is easier to find as suggested by forum user j2associates .

<edit> It is also my 3rd post in this thread,  the 8th one up, of my posts,  from the bottom ( for now ), as the forum format has changed yet again.I will leave the rest of this post( as is ) purely for historical reasons. I have been on these forums long enough to see 3 forum changes. <edit> 19th May, 2010> Link added to a video on the next line of text.


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