QQ: how do I use the session cache with SignalR?

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Hi,

I have a file import page which gives me a HttpPostedFile. I'll be performing some operations on the file at a later stage but I figured that the Session cache would be a good place to keep it for now. I want to access the file from my SignalR ticker, but I can't find the Session cache!?! Is it available in the 'Context'?

Question: How do I access the Session cache from my SignalR ticker?
(Extra points): Is there a better way?

Thanks ^_^
Andy

PS: I recently realized that in the 7 years of writing .Net websites, I have never actually written any ASP code o_O (control 'Registers' notwithstanding)

Posted 12-Jan-16 22:42pm

Andy Lanng

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Kornfeld Eliyahu Peter 13-Jan-16 4:59am

Look on...You can not use SignalR with Session...
(That's not true of course, as you can enable it, but that very moment you are not really using SignalR. There is a basic conflict between the duplex-way of SignalR and the way ASP serialize state)

Andy Lanng 13-Jan-16 5:00am

is there an alternative I should look into?

Kornfeld Eliyahu Peter 13-Jan-16 5:02am

To be honest it is not clear to me what do you want to achieve...So I can't tell you...

Andy Lanng 13-Jan-16 5:06am

fair point
I writing a web interface that takes in an excel file. I parse the file (with a little user input) than add data to a database. The stage I'm at right now is taking in the excel file (reading it into memory) and showing the details of the file in the UI.

Kornfeld Eliyahu Peter 13-Jan-16 5:15am

And now you need some more input to process on?
How SignalR involved in all this?

Andy Lanng 13-Jan-16 5:26am

I'm using SignalR to report back to the UI on the progress of importing / parsing the file. It's overkill but it does what I need it to.
1: User uploads 1 or more files. I read them in (to memory/cache)
2: I perform some basic checks and add the files (with status) to a table in the UI. I using SignalR to to update the table
3: The user makes some choices (just 1 dropdown to select) then hits the import button. The 'import' is actually parsing the file contents into a POCO array, but the language makes more sense to the user
4: The files are processed and I present a new page where the user can review the POCO array. The bulk of the work comes after this point but that's in the next phase
(thanks for taking the time ^_^)

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