c# - What's a general way to provide an emergency mode for a wcf service -

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i have ipad using wcf service.

the wcf service loading background data every 10 seconds. background loading process fail , data , service methods become dysfunctional.

how can provide 'kill switch' take every mobile service method down , provide brief message (or send mail) automatically when being called?

is possible implement in service setting or should else?

if find wcf service in bad state, can call httpruntime.unloadappdomain. see recycling wcf web service on iis


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