Prevent two users from accessing the same file at the same time

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Shawn - 18 Feb 2006 18:14 GMT

Well, the subject sais it all. What is the best approach to prevent this
from happening?

Thanks,
Shawn

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Elton W - 19 Feb 2006 00:07 GMT

Hi Shawn,

You can setting a flag in an ApplicationState, e.g.
Application["fileAccessed"]. In Application_Start set it as false,

Application["fileAccessed"] = false;

Only when it's false to allow to access and shift it to true and also set a
flag in Session. Once finish accessing the file to shift Application flag to
false and delete Session flag. Or in Session_End to check Session flag,
accordingly shift Application flag.

HTH

Elton Wang

> Well, the subject sais it all. What is the best approach to prevent this
> from happening?
>
> Thanks,
> Shawn

Reply to this Message

Elton W - 19 Feb 2006 03:11 GMT

you can also use Singleton class.

> Well, the subject sais it all. What is the best approach to prevent this
> from happening?
>
> Thanks,
> Shawn

Reply to this Message

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