asp.net - Decoding the web.config httpmodules -

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i started learning httpmodules , made first one. wondering if explain why modules in the web.config include lot of info , others not.

example: not info

<add name="errorlog" type="elmah.errorlogmodule, elmah"/>

example lot of info

<add name="urlroutingmodule" type="system.web.routing.urlroutingmodule, system.web.routing, version=3.5.0.0, culture=neutral, publickeytoken=31bf3856ad364e35"/>

what publickeytoken, version, culture. need special use those?

thanks!

these part of assembly's qualified name.

version should self-explanatory.
culture culture assembly compiled for.
publickeytoken value cryptographically derived key used sign assembly, or (null) if assembly unsigned.

for more information, see here.


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