C# Click Html Button From Webclient

I'm working on a Windows Forms Application. I want the webclient to post the values from the NameValueCollection and then hit the submit button. But now it only adds the values to

Solution 1:

You need to get the <form> element that contains you button, and then get its action attribute. That's the URL that your client should make a request to. You might need to get also the action attribute to find out whether to make GET or POST request.

The thing is, the button itself is not important: in the web browser, if it has action "submit" it just triggers the containing form to serialize contents and send them to the action url using `method.

When you use a client to interact with a webpage, you cannot be thinking of it like of a web browser, more like downloading a page and opening it with a text editor. Nothing's clickable, there's no JS, there's nothing even rendered - it's just the raw content sent from the server.

EDIT:

So, this is done purely with JavaScript, which is all kinds of wrong. Anyhow, your method is POST and your action is /View/DashboardProxy.php?location=Dashboard/RequestServlet&postdata=1, so your call will be: byte[] request = client.UploadValues("/View/DashboardProxy.php?location=Dashboard/RequestServlet&postdata=1", "POST", requestData);

Note, that the response will not be a full page, but possibly nothing or some text to put in post_result_textarea.

Oh, and also note that there are more than 3 values passed in that POST request - values from: server_id, prodids, shopid, customerid and specialbids. Possibly the server requires all of those fields to be filled.

Solution 2:

You could use AJAX with WebMethod. (this example uses jQuery for the ajax requests but you could aswell do this with plan vanilla javascript)

$.post({
  type: "POST",
  url: /Default.aspx/methodX,
  data: data,
  dataType: dataType
}).done(function(data){
  if (data === true) {
    console.log('everything worked out fine.')
  }
});

and edit your .cs file with the following.

[WebMethod]
publicboolmethodX(string data) {
  var requestData = new NameValueCollection
  {
    {"prodids", "somevalue" },
    {"customerid", "somevalue" },
    {"submit_button", "submit" }
  };
  byte[] request = client.UploadValues("myurl", "POST", data);
  string result = Encoding.UTF8.GetString(request);

  returntrue;
}

or similar.. hope you get an idea from this.

Read morehttp://api.jquery.com/jquery.posthttps://msdn.microsoft.com/en-us/library/4ef803zd(v=vs.90).aspx