One common question people ask is what the difference is between using client-side HTML comments and server-side comments.
The key difference is that with client-side comments
· It is the browser which is ignoring the content within them.
·Code/controls within client-side comments will still be executed on the server and sent down to the browser.
·As such, if there is a server error caused within them it will block running the page.
With server-side comments,
- The ASP.NET compiler ignores everything within these blocks at parse/compile time, and removes the content completely when assembling the page (like its contents weren’t there at all).
- Consequently, any errors caused by mal-formed controls or issues with inline code or data-binding expressions within them will be ignored.
- The page is also just as fast with controls/code within server-side comments as if there were no controls/code on the page at all (there is no runtime performance overhead to them).
Thanks & Regards,
Arun Manglick || Tech Lead