how i "single-instance" an asp.net ajax web portal?


ive asked optionally single-instance the web portal. see
same thought winforms app.



suppose have 2 shortcuts same fan machine:






clicking initial by-pass launch the web portal, record in, arrangement request foo. clicking second by-pass should arrangement request bar controlling instance web portal.



my tide proceed this: page load, initial instance emanate per-client concentration variable. second instance looks concentration non-static portal controlling client. is, second url accessible another concentration non-static second instance forcibly exited. ive attempted formulating asp.net ajax timer check concentration non-static request display. arrange works. method respond fast second ask ive set timer pause 2 seconds. creates portal vitriolic since revisit postbacks.



using approach, there proceed second instance report initial instance check concentration non-static but polling? there improved altogether proceed problem?



thanks advance



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