Comments by Holc - CodeProject

Holc 16-Oct-11 4:52am View

yes, but the xml file is generated by another software. maybe if i could try removing the tag with some string-file manipulation

Holc 11-Oct-10 12:10pm View

indeed

Holc 10-Oct-10 18:11pm View

have you tried YourBindingSource.ResetBindings(False) or (True) if your metadata has changed (where YourBindingSource is the name of your binding source).
try inserting that on the end of RefreshStudentData() sub

Holc 10-Oct-10 11:31am View

thanks this will do just fine, i know about the bitarray but it just didn't seem to work in whichever way i'd do it. thanks again.

Holc 27-Sep-10 3:35am View

I was considering something like that. To create a two hundred million random entry database in advance and then just simply provide the user with a next consecutive entry. This could work but i need to do the whole procedure more than once, what i mean is that the same thing is to be done let's say once a week, two hundred million entries once a week, non cumulative (i would clear the database every week). Or another solution would be to have those same 200 million entries and let the database randomize the order (if that is possible, i don't know), that would work like a charm.

Holc 27-Sep-10 1:11am View

Sorry for the inconvenience, i might have mislead you with the code i posted. That is the whole problem, i can't do that, this ought to be a web based application and it should work something like this.

A visitor of the website(containing this app) would click a button on the website and the app would generate a random string (let's say a code), however, i have to guarantee that every string generated is unique, so i need to check if the string(code) exists in the database and if it doesn't then insert it into the database, if it does then generate another string. It is impossible to introduce any kind of fashion to those strings, they have to be very random. There is a reasonable thought that there would be more than 100.000.000(approaching 200.000.000) clicks within a certain time period (maybe 2-3 days). Therefore it is not possible for me to use bulk statements since i have to run the app (function within it) for every visitor that clicks on the button.
Now the code i posted roughly simulates clicks on the button, and in such state the time needed to complete this kind on operation is enormous, it would not be very nice if a visitor would have to wait 3 days for his string(code).

Perhaps this is a better explanation of what my problem is. Thanks for any help.

Comments by Holc (Top 6 by date)