简单点的,先拖个webBrowser
        private void button1_Click(object sender, EventArgs e)
        {
            string url = txtUrl.Text;
            if (url == "") return;
            try
            {                Cursor.Current = Cursors.WaitCursor;
                webBrowser1.Navigate(url);
            }
            finally
            {
                Cursor.Current = Cursors.Default;
            }
        }