c# - Login popup and Selenium -

i'm trying access website start selenium scripting. put website's link pops window asking username , password.

i can't selenium. see tried in code , didnt work out.

any ideas?

using system; using system.collections.generic; using system.linq; using system.text; using system.threading.tasks; using openqa.selenium; using openqa.selenium.firefox; using openqa.selenium.support.ui; using system.collections.objectmodel; using system.threading; using system.io; using openqa.selenium.interactions;  namespace crmtest1withselenium {     class program     {         static void main(string[] args)         {             iwebdriver driver = null;             driver = new firefoxdriver();             string credentials = convert.tobase64string(encoding.ascii.getbytes("username" + ":" + "password"));              string url = "http://" + credentials+ "@" + "bfaz-testcrm.cloudapp.net/bathfittercrmtest";              driver.navigate().gotourl(url);             driver.manage().window.maximize();           }     } } 

if mean http basic authentication

, solution written here:

handling windows authentication selenium webdriver