c# - UseTaskFriendlySynchronizationContext with WebForms and WebAPI in the same project -


i have legacy app uses webforms need extend. incorporated webapi newer functionality . works great until start using async await.

in webapi usetaskfriendlysynchronizationcontext = false cause httpcontext null. setting true fixes issue.

in webforms usetaskfriendlysynchronizationcontext = true causes pages never return. it's iis never returns response. setting false fixes this.

is there someway have true webapi , false webforms?

no, it's not possible have set @ level. asp.net runtime in process (technically app-domain) must use 1 implementation.

my recommendation investigate webforms code , determine why deadlocking new syncctx. vast majority of code should work fine, there must unusual there.


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