How to know whether WebBrowser navigating a error page?

Question

for example, we navigating to http://www.ggg111.com, it\'s a error URL. but in WebBrowser it display a error page with this:

The webpage cannot be found 
 HTTP 40         


        

Answer 1

not sure about this but,.... try it,...

string check = webBrowser1.DocumentText;
        if (check.IndexOf("The webpage cannot be found") > 1)
        {
            MessageBox.Show("ERROR OCCURED");
            //what else you want to do, do here!!!
        } 

this will search for given text and if found will execute further code