how to fill textbox in a web pages using web browser?

Question

hi

i have a problem with web browser.i want to open a website like google in web browser and

writing in search box and then search it.

i can open sites in web browser but i don't know how to fill textboxes and submit it.

thanks

Abolfazl · Answer

thanks but i use web browseri can navigate to site but i can't change elements value like text boxes. i use this code to fill google text box and click on search button: private void button1_Click(object sender EventArgs e) { webBrowser1.Navigate(google.com); webBrowser1.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(web_h); } private void web_h(object sender WebBrowserDocumentCompletedEventArgs e) { WebBrowser b = (WebBrowser)sender; b.Document.GetElementById( gbqfq ).InnerText =  door ; b.Document.GetElementById( gbqfba ).InvokeMember(click); } but i face with this error: System.NullReferenceException

Anupam Singh · Answer

If you are using C# or WPF you should try using WebBrowser control. this may help : http://www.c-sharpcorner.com/UploadFile/6897bc/using-webbrowser-control/