public void LogIn()
{
if (string.IsNullOrEmpty(UsernameTb.GetAttribute("value")) ||
string.IsNullOrEmpty(PassWordTb.GetAttribute("value")))
{
throw new ArgumentException("Text box username or password are empty");
}
LogInBtn.Click();
}
public LogInPage(string username, string password) : this()
{
UsernameTb.SendKeys(username);
PassWordTb.SendKeys(password);
}