Changing the default browser for a web applicaiton or a website is a very common requirement. Below are steps to change the default brower in Visual Studio.
1. Go to Solution Explorer.
2. Right click on any aspx page. (eg: Default.aspx, About.aspx)
3. Select “Browse With…” option.
4. In the opened dialog box, select the browser you want to use, and click the “Set as Default” button.