vb.net - Calling Async WCF service at Application_Exit -


i have following code..

 private sub application_exit(byval o object, byval e eventargs) handles me.exit         if mainpage.modeofoperation = "proposalmodification"              mainpage.initializeserviceendpoint(client.endpoint)             messagebox.show("this test")             client.flagquotationwithuserasync(mainpage.fetchquotationno, mainpage.fetchreferenceno, "f", "", "", "")            end if      end sub

but doesnot work think async calls not allowed @ time of application exit.

i have done following

  1. converting async method sync following code in wcf service :

operationcontract(asyncpattern:=false)

and calling xaml 

client.sr_iservice1_beginflagquotationwithuser(fetchquotationno, id, "t", userrole, prodcode, userid, nothing, nothing)

but still function not being called @ time of application exit.

please note : main problem want @ time of application close/exit , have call wcf webservice. please have no clue now..

i'd consider change method call sync "one way".

afterthis, i'd call aplication_exit code behind method.

i think in case app still "exists" (until method execution not done).

take on simple post short example: need sample fire , forget async call wcf service

this solution may help: http://www.codeproject.com/articles/564450/callingplusintoplusyourplusdatabaseplusonplussilve


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