c# - Prevent expiration of individual sessions based on custom conditions? -

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a website working on data centric. reports take more hour complete. whenever user submits request report, new thread created generates report. user redirected page says report in progress, , please refresh download report. if user again refreshes page , report still in progress, same message shown; otherwise download link provided.

all report/user relations saved in application variable. works fine, except when user inactive more 20 min (while report being processed), , user logged out; if user logs in again, report can still downloaded.

i not want increase session expiration time, need stop expiration if user has going in background, report being processed.

in session_end able retrieve the userid , match in application["work"] see user has pending work or not.

however, clueless how can defer session end in above case?

edit: every 1 has suggested workaround 'maintaining contact' 'using query string'. 'maintaining contact' looked promising me fails in following scenarios: a. when browser closed/computed goes in standby mode during lunch, etc. b. when user goes non-asp.net section (it's legacy site).

isn't possible cancel session_end event itself?

maintain contact server avoid session timeout.

create empty web service , run in server call web service site jquery interval of seconds enough keep session alive

may solution you..

try link full details : prevent session timeout in asp.net


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