Visual Studio 2013, changes not showing in debug

Question

Have recently upgraded to Visual Studio 2013 Pro and am having some teething problems.

Primarily if I change any HTML or CSS in either a .aspx page for Web Forms or

Answer 1

I had this issue and tried all the Build config changes etc without success. I'm running VS2015 in a Parallels VM and saving the project on a drive on the Mac. It appears that there is some odd/tiny difference between the Mac time stamps and the Win10 clock.

Setting the Win10 clock back 5 seconds resolved the issue. Bizarre but saved my sanity...

Answer 2

it's not a bug at all, and has nothing to do with the above answers.

Go to solution explorer and click on --> sync with active document. as shown bellow: