----- Start Original Message ----- Sent: Fri, 3 Jun 2011 19:36:36 -0600 From: Mike Bonner <bonnm...@gmail.com> To: How to use LiveCode <use-livecode@lists.runrev.com> Subject: Re: Using Arrays
> dgtext isn't an array value, to do what you want you need to get the dgdata > > For example, if you have a simple table grid with 2 columns, col1 and col2 > with 3 records, to get the array back out do > > *get the dgdata of group "yourdatagridgroupname" * > *put it into tArray* works fine > > At this point, knowing whats in the grid if you > > *put the keys of tArray* > since there are 3 records, the keys will be 1, 2 and 3 will be displayed in > the message box. works fine If you then *put the keys of tArray[1]* you will see the > column keys, col1 and col2, works fine so to get a specific cell is as you've been > trying to do with the dgtext tarray[1]["col1"] will get the data from row 1 > col 1. > I still don't see where you have told me how to access a specific element in the array. What am I missing? > if you get the dgtext, it should react like a tab delimited flat file. So > if you > > *get the dgtext of group "mydatagridgroup"* > *put it* > > it should display all rows and columns of the datagrid in the message box > yes this does this. > On Fri, Jun 3, 2011 at 7:09 PM, Van Brollini <analog_t...@runbox.com> wrote: > > > I have a datagrid of 1250 by 28 that has been successfully uploaded during > > the creation of the datagrid. > > > > I can use this line > > put the dgText of group "DGTester" into tArray > > to move the datagrid into an array. During debug process with breakpoint, > > this is successful. > > > > Now when I try to read, modify, compute results I get nothing. > > > > I have used get tArray[1][16] to query the array and get NULL. > > I have tried to put "3.79e-6" into tArray[1][16] and the whole array ends > > up NULL. > > > > What do I need to do to access individual elements of the array, modify > > them and put their answers back into the array. In C this is a piece of > > cake, however, LiveCode is not releasing her secrets to me as yet. > > > > Thanks > > > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > ----- End Original Message ----- _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
