Open a new tab in an existing browser session using Selenium

Question

My current code below in C# opens a window then navigates to the specified URL after a button click.

protected void onboardButton_Click(object sender, EventA         


        

Answer 1

IWebDriver driver = new ChromeDriver(); 

Change this to:

var driver = new ChromeDriver();

I do not know why. May be the IWebDriver miss the method.