DLL Version Issues?


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Staff member
Jun 2, 2004
Programming Experience
Does .NET use "Binary Compatibility?"

What I'm concerned is "when will my app break" when DLL's in referencing application are updated. The scenario is:

I build a asp.net application that is an add-on, i.e. utility, for another web application. It references DLL's from this application. The application I reference then puts out an update, will my application break simply by the fact the referenced DLL has been updated (version changed)?

Or is it like Binary Compatibility...if the methods I use in my code are not changed, my app will not break on updates?

The second scenario:

I use a component such as a menu control for a web page. I distribute this application. You, a competitor uses the same component, but you have a newer version of the component. The same customer installs yours now, using a later DLL, which mine is referencing an older version. What happens to my app? Will it break, or again, is binary compatibility going to keep my app running?