Hi,

Now i'm using WebBrowser control and post data to url like this:
webBrowser1.Navigate(m_cTargetPage, null, StrToByteArray(m_cPostData), headers);
http://msdn.microsoft.com/pl-pl/library/ms161355(v=vs.110).aspx

I want send postdata using EO.WebBrowser.WebView and i don't know how...
Is it possible?

Thanks in advance for your help.

Thanks so much, for your help!

Hi,

I use your code, but on WebView i dont see content page.
Request request = new Request(m_cTargetPage);
foreach (KeyValuePair<string, string> keyPair in postDataDict)
{
request.PostData.AddValue(keyPair.Key, keyPair.Value);
}
request.Method = "POST";
request.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
webView.LoadRequest(request);

I also use mehtod: LoadRequestAndWait and my app wait and nothing was happend.

When i use this function: webView.LoadUrl(m_cTargetPage) it works correctly but postdata are not send to the server.

So i still have a problem with PostData.

So we find where is a problem.

When we open a window and want to load a POST REQUEST on start Form to WebView there is a problem with EO.WebBrowser control -
but when we send a GET REQUEST everything is ok and page is loaded on form.
i paste a code here and also send my simple application that will show you a my problem.

app.config
<?xml version="1.0"?>
<configuration>
<appSettings>
<add key="loadOnStart" value="true"/>
<add key="methodPost" value="true"/>
<add key="startUrl" value="http://httpbin.org/post"/>
</appSettings>
</configuration>

MainForm.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using EO.WebBrowser;

namespace MyTest
{
public partial class MainForm : Form
{
WebView view;
public Dictionary<string, string> postDataDict;

public MainForm()
{
InitializeComponent();
//http://httpbin.org/post

EO.WebBrowser.WinForm.WebControl wControl = new EO.WebBrowser.WinForm.WebControl();
wControl.Dock = DockStyle.Fill;

view = new EO.WebBrowser.WebView();
wControl.WebView = view;
this.pView.Controls.Add(wControl);
}

private void MainForm_Load(object sender, EventArgs e)
{
bool loadOnStart = false;
bool isPostMethod = false;

bool.TryParse(System.Configuration.ConfigurationManager.AppSettings["loadOnStart"], out loadOnStart);
bool.TryParse(System.Configuration.ConfigurationManager.AppSettings["methodPost"], out isPostMethod);
string startUrl = System.Configuration.ConfigurationManager.AppSettings["startUrl"];

this.tbUrl.Text = startUrl;
this.chbPost.Checked = isPostMethod;

if (loadOnStart)
this.loadRequest();
}

private void button1_Click(object sender, EventArgs e)
{
this.loadRequest();
}

private void loadRequest()
{
if (chbPost.Checked)
{
postDataDict = new Dictionary<string, string>();
postDataDict.Add("SessionKey", tbSession.Text);
postDataDict.Add("option", tbOption.Text);
postDataDict.Add("Inout", this.tbInOut.Text);

Request request = new Request(this.tbUrl.Text);
foreach (KeyValuePair<string, string> keyPair in postDataDict)
{
request.PostData.AddValue(keyPair.Key, keyPair.Value);
}
request.Method = "POST";
view.LoadRequestAndWait(request);
}
else
view.Url = this.tbUrl.Text;
}

private void tbUrl_KeyUp(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
view.Url = this.tbUrl.Text;
}
}
}

When you start app with loadOnStart = true and methodPost = true - application is waitn and never load view. I suppose that is a probem with EO.WebBrowser or should i use another way to load post request on startup window.
If you start app with loadOnStart = true and methodPost = false you can see a form with html page code.
i also send to support my simple application and then you can debug this.

Will be great if you find a solution for this problem.

Hi,

You can not do a wait load (LoadUrlAndWait or LoadRequestAndWait) in Form_Load handler. Doing so will cause a deadlock and it is unrelated to POST or GET. The deadlock is caused by the following facts:

1. Form_Load is called when the form's window handle is created;
2. Only after Form_Load returns, Windows Forms can continue to create window handle for child controls in the form, at this stage the EO.WebBrowser.WebControl gains a window handle;
3. In order for a load to complete, the WebBrowser must have a window handle first;

So the wait sequence will be:

1. Form_Load waits on LoadUrlAndWait;
2. LoadUrlAndWait waits on WebControl handle ready;
3. WebControl's handle ready waits on Form_Load to return;

This creates a circular waiting sequence thus the deadlock.

To avoid the problem, you can do a LoadRequest instead of LoadRequestAndWait. You can then handle the WebView's LoadComplete event to be notified when the load has completed.

Thanks!

Hi,

LoadRequest should work. You can check your server log or monitor your network traffic to see if your web server has responded the request properly. If there is no request sent to your web server at all, or if your web server received the request and responded properly but it's not displayed, then you can try to create a test project and send the test project to us. We will investigate as soon as we receive it.

Thanks!

I just send my app to you by email.

Thanks in advance for you help.

It will be great to solve this problem!

Now we use System.Timers.Timer() and invoke LoadRequestAndWait to load page after 2 seconds when Form_Load was invoked.
This solution works for local installation of our application, but when we open application on Citrix Virutalization System loading application takes much more then 2 seconds, and it isn't stable workaround.

Thanks

Great, it works!

We are satisfied with the solution! It works also on Citrix Systems!

Thanks