asp.net - If x and y then construction -

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in web app written in vb.net .net 4.0, using vs 2012, there line:

    serverport = cint(httpcontext.current.request.servervariables("server_port"))     servername = httpcontext.current.request.servervariables("server_name")      if serverport = nonsecureport , servername.contains("mywebsite.com")       more code if both clauses true      end if

as turns out, nonsecureport = 8089 , in case serverport 80 think should means the app not execute code in if clause, serverport not equal nonsecureport.

but in fact, watch code go right code , not understand why. asp.net app. published dev web server , debugging remotely.

why happen?


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