Using WebBrowser in ASP.Net Web Application - asp.net

Question

I am trying to use a WebBrowser in a .cs class in a Web Application - NOT A WINDOWS FORM app using (VS 2019).
I know it's a Windows Form app control, but it seems like I should be able to use it in a Web App.
Using WebBrowser in Web App does not have the .Url property, so I just use the .Navigate directly - this is where the code breaks.
I have tried many suggestions on the Net, but nothing seems to work - it looks like most of the examples uses a Web Page - I want to use the WebBrowser directly in code (.cs class).
private static void LoginViaUserAgentFlow()
{
Thread thread = new Thread(delegate ()
{
StringBuilder sb = new StringBuilder(String.Format("{0}/services/oauth2/authorize",
RHOutlook.chosenInstance.sfdcURL));
sb.Append("?response_type=token");
sb.Append(String.Format("&client_id={0}", RHOutlook.chosenInstance.clientId));
sb.Append(String.Format("&redirect_uri={0}", System.Web.HttpUtility.UrlEncode(RHOutlook.chosenInstance.redirectUri)));
WebBrowser webBrowserSFDCLogin = new WebBrowser();
//Here I can't use the .Url becaue it is not available - so I just use
//Navigate to get to the site
webBrowserSFDCLogin.Url = new Uri(sb.ToString());
//This is were it breaks, comes back with error when I navigate to the site.
webBrowserSFDCLogin.Navigate(sb.ToString());
//This code is never reached - failed at above code.
if (webBrowserSFDCLogin.LocationURL != null && webBrowserSFDCLogin.LocationURL.StartsWith(RHOutlook.chosenInstance.redirectUri))
{
//webBrowserSFDCLogin.ScriptErrorsSuppressed = true;
webBrowserSFDCLogin.Stop();
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
}
I expect to be able to navigate to the external website. If I can navigate to the site if I copy the url directly in a browser (say Chrome).
I tried using ; this gives me the Url property, but still get the error.

Answer 1

You really should stick to suggestions and examples.
What you are trying to do is to use class that is designed for Windows Application inside a Web Application.
Those two frameworks are similar like Earth and Mars. I am afraid you are not going to be able to grow a tree on Mars.