Tuesday, April 22, 2008, 2:52:37 PM, you wrote: Why not just keep the rowid's in an array and query the actual row contents as needed. This is typical with virtual list or tree controls. That is you keep a reference to the data, not the data itself.
F> Thanks for the quick reply Epankoke. F> We tried as you mentioned. But we are restricted with the memory size and F> the storage of the needed data occupies some MB's of space in the memory so F> we cannot go for it. Is there any other work around to perform the scrolling F> condition. F> Kindly help in this regard. F> Regards, F> Farzana. F> epankoke wrote: >> >> Is it possible to store all of the needed data in memory? If so, why not >> read the required information into an array and just update an index >> variable to keep track of where you are at in the array when the user >> clicks the up and down buttons? That should be quite fast. >> >> -- >> Eric Pankoke >> Founder / Lead Developer >> Point Of Light Software >> http://www.polsoftware.com/ >> >> -------------- Original message ---------------------- >> From: Farzana <[EMAIL PROTECTED]> >>> >>> Thanks for your reply Igor. >>> >>> We tried populating the listbox as mentioned in the URL.We are successful >>> in >>> populating the listbox but when we go for scrolling the data, it takes >>> more >>> time to move forward and backward since it has to execute the query >>> everytime. We are using a PocketPc so it is much slower. Is there any >>> other >>> way to do this or can some one provide us a sample code for the same. >>> We are using a Table say Employees where we have to dsiplay their Job >>> Description in ascending order in a user defined listbox with scroll up >>> and >>> scroll down buttons. Can anyone provide us a suggestion. >>> Thanks in Advance. >>> >>> Regards, >>> Farzana >>> >>> >>> >>> Igor Tandetnik wrote: >>> > >>> > "Farzana" <[EMAIL PROTECTED]> >>> > wrote in message news:[EMAIL PROTECTED] >>> >> We are working in eVC++ environment with SQLite database.We need to >>> >> populate the listbox with the values obtained by executing the query. >>> >> We were able to get the values of the query by using the API's >>> >> sqlite3_prepare and sqlite3_step. >>> >> But we were able to populate and move the listbox in the downward >>> >> direction only >>> > >>> > http://www.sqlite.org/cvstrac/wiki?p=ScrollingCursor >>> > >>> > Igor Tandetnik >>> > >>> > >>> > >>> > _______________________________________________ >>> > sqlite-users mailing list >>> > sqlite-users@sqlite.org >>> > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >>> > >>> > >>> >>> -- >>> View this message in context: >>> http://www.nabble.com/Populating-and-scrolling-the-Listbox-using-query-tp1667617 >>> 8p16806114.html >>> Sent from the SQLite mailing list archive at Nabble.com. >>> >>> _______________________________________________ >>> sqlite-users mailing list >>> sqlite-users@sqlite.org >>> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >> >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@sqlite.org >> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >> >> -- Best regards, Neville Franks, http://www.surfulater.com http://blog.surfulater.com _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
