shared variable
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Hi All, U can use shared variable if u have requirment.one place u can use i think where u want to display how many user logged in currently in ur website Thanks and regards Amit Patel
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I have found a problem with shared variable, same variable is used if you open two tabs with the same url.
Thats right, you'll face this problem. You can use Session variables in place of Shared. :)
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Thats right, you'll face this problem. You can use Session variables in place of Shared. :)
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Same problem with session, thats why i use shared.
modified on Tuesday, October 6, 2009 4:10 AM
No Way, how are you using them? :^) Can you show your code?
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No Way, how are you using them? :^) Can you show your code?
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I don't think this is true. :doh: Shared variable is common. In my beginnings days, i also used Shared variable but then i got same problem. Then i used Session variables which solved my problem. Basic thing is, for what purpose you are using Shared or Session variables.
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I don't think this is true. :doh: Shared variable is common. In my beginnings days, i also used Shared variable but then i got same problem. Then i used Session variables which solved my problem. Basic thing is, for what purpose you are using Shared or Session variables.
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I used shared variable to store User ID that I reference in different instances. What i understand is that two different tabs runs same class but all variables are initialized, in other words both tabs runs the sam class but variables are not the same.
Blikkies wrote:
two different tabs runs same class but all variables are initialized
This is what i am telling you, opening a new tab will initialize all variables but not shared variable, shared variable will retain its previous value. I also used shared variable for storing user ids and i got stuck up. Try to use Session Variables, assign session variable after successful login, it won't definitely repeat on new tab. :)
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A shared variable will be the same for all users of the website, but will be reset to the default value every time the web server gets reset. As a result, I can't imagine a valid use for one in a website. If I found I had a valid use for one, I would use it, but if I want to persist a value across all pages, I'd use a database, so it doesn't get reset by IIS.
Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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A shared variable will be the same for all users of the website, but will be reset to the default value every time the web server gets reset. As a result, I can't imagine a valid use for one in a website. If I found I had a valid use for one, I would use it, but if I want to persist a value across all pages, I'd use a database, so it doesn't get reset by IIS.
Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
I used sharing variable in one of my sites backend, I have a grid that shows delegates with a button in each row that update that delegate details, when the user click on one of the buttons, i set the Sharing Variable equels to that Delegate ID that will be used to update that user, the problem that a faced is when i open two tabs with the same URL, they both reference the same variable that caused data to be override in database causing duplicates. In your previous reply, you said "A shared variable will be the same for all users of the website", does it mean that Shared Variables is used global like Application Variable?
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Thats right, you'll face this problem. You can use Session variables in place of Shared. :)
Its common for the application. So whichever user changes the variable it gets changed. You can use session variable if needed. Thanks, Thani
India is Mythical and so we are
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I used sharing variable in one of my sites backend, I have a grid that shows delegates with a button in each row that update that delegate details, when the user click on one of the buttons, i set the Sharing Variable equels to that Delegate ID that will be used to update that user, the problem that a faced is when i open two tabs with the same URL, they both reference the same variable that caused data to be override in database causing duplicates. In your previous reply, you said "A shared variable will be the same for all users of the website", does it mean that Shared Variables is used global like Application Variable?
Yes, that is exactly how a shared variable works, that's the point of it. Hence the name, shared. You need to store that value in viewstate, because it's only being used on one page, and yes, as everyone said, shared means all users will have the same value.
Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.