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Use of global.asa
Posted on 2013-01-03
Hi Experts,
Can anyone remind me the use of global.asa?
For example, I currenly have a shopping cart that I wrote my self, all of the prices are hardcoded in one common.asp file that I include where I need it.
Now, I need to store the prices into a db, so management can change them, and within my common.asp I'd get my prices from the db. However, I don't want to open my db every time I include common.asp and waste resources, as I'll be looping through 45 recs every time.
With this said, would this be where global.asa comes in? I was thinking of having under Session_OnStart
arePricesRetreived = False
Then in common.asp, do:
If arePricesRetreived = False
'Retrieve from DB
arePricesRetreived = True
End if
Would this be the propper logic and use of global.asa?
Can anyone remind me the use of global.asa?
For example, I currenly have a shopping cart that I wrote my self, all of the prices are hardcoded in one common.asp file that I include where I need it.
Now, I need to store the prices into a db, so management can change them, and within my common.asp I'd get my prices from the db. However, I don't want to open my db every time I include common.asp and waste resources, as I'll be looping through 45 recs every time.
With this said, would this be where global.asa comes in? I was thinking of having under Session_OnStart
arePricesRetreived = False
Then in common.asp, do:
If arePricesRetreived = False
'Retrieve from DB
arePricesRetreived = True
End if
Would this be the propper logic and use of global.asa?
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1 Comment
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here's a good explanation of global.asa:
http://www.w3schools.com/asp/asp_globalasa.asp
basically, its a place to initiate data and set application and session objects. as for the logic you've suggested, do you need to have this data on every page of your application? I would imagine you don't, and if this is a high traffic website, you're better off only calling it on the pages you actually need. Otherwise you're storing data in memory that may or not be used, and wasting resources. I would recommend creating a function that can be accessed on every page that calls the data and returns it in the format you need, then call that function when and where you need it.
http://www.w3schools.com/asp/asp_globalasa.asp
basically, its a place to initiate data and set application and session objects. as for the logic you've suggested, do you need to have this data on every page of your application? I would imagine you don't, and if this is a high traffic website, you're better off only calling it on the pages you actually need. Otherwise you're storing data in memory that may or not be used, and wasting resources. I would recommend creating a function that can be accessed on every page that calls the data and returns it in the format you need, then call that function when and where you need it.
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