BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to make persistent a change          BorlandTalk.com Forum Index -> comp.lang.pascal.delphi.misc View previous topic :: View next topic   Author Message Franco Jommi Guest Posted: Sun Feb 15, 2004 1:04 pm    Post subject: How to make persistent a change If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? Back to top Dragon Lord Guest Posted: Mon Feb 16, 2004 8:55 am    Post subject: Re: How to make persistent a change That sounds like normal behavior. It wouldn't be very practical to have to it change on every key press. Although, I think there is a way to force it to. Jeremy "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote Quote: If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? Back to top Maarten Wiltink Guest Posted: Mon Feb 16, 2004 7:59 pm    Post subject: Re: How to make persistent a change "Dragon Lord" <invalid (AT) joke (DOT) com> wrote Quote: "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote in message news:k7KXb.316897$_P.10946486 (AT) news4 (DOT) tin.it... If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? That sounds like normal behavior. It wouldn't be very practical to have to it change on every key press. Although, I think there is a way to force it to. Ctrl-Enter perhaps? Groetjes, Maarten Wiltink Back to top pr Guest Posted: Mon Feb 16, 2004 8:40 pm    Post subject: Re: How to make persistent a change "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote Quote: If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? What you wamt to do is non-sensical. Assume you enter a 1, is this 1 or the 1 of 100 or 1000000? How is the program supposed to know when you have completed the entry for a particular column? PR Back to top Franco Jommi Guest Posted: Tue Feb 17, 2004 2:42 pm    Post subject: Re: How to make persistent a change But let'say I entered 100. If my cursor is still on that column and I clic a button outside the DBGrid, I need to realize that a change was made (or was being made). What I was trying to do was to test for the modified property to check, but did not work. WHen the change gets taken then ? "pr" <shin (AT) netactive (DOT) co.za> ha scritto nel messaggio news:403196b8.0 (AT) news1 (DOT) mweb.co.za... Quote: "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote in message news:k7KXb.316897$_P.10946486 (AT) news4 (DOT) tin.it... If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? What you wamt to do is non-sensical. Assume you enter a 1, is this 1 or the 1 of 100 or 1000000? How is the program supposed to know when you have completed the entry for a particular column? PR Back to top Franco Jommi Guest Posted: Tue Feb 17, 2004 2:47 pm    Post subject: Re: How to make persistent a change I am not saying every key press, but when I finish entering my value, how does the system know I am finished ? In my case, I realized this behaviour since I can clic on an exit button, where the Modified property was checked to advice on pending changes, but this does not seem to be true, unless I move the cursor to another record to another column, which is something the use should know... "Dragon Lord" <invalid (AT) joke (DOT) com> ha scritto nel messaggio news:10311cpq9dv651e (AT) corp (DOT) supernews.com... Quote: That sounds like normal behavior. It wouldn't be very practical to have to it change on every key press. Although, I think there is a way to force it to. Jeremy "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote in message news:k7KXb.316897$_P.10946486 (AT) news4 (DOT) tin.it... If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? Back to top pr Guest Posted: Tue Feb 17, 2004 6:52 pm    Post subject: Re: How to make persistent a change "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote Quote: But let'say I entered 100. If my cursor is still on that column and I clic a button outside the DBGrid, I need to realize that a change was made (or was being made). What I was trying to do was to test for the modified property to check, but did not work. WHen the change gets taken then ? If click a button outside the grid then it your progams responsibility to take appropriate action. You could e.g. test for the Dataset.Edit not being in browse mode. PR Quote: "pr" <shin (AT) netactive (DOT) co.za> ha scritto nel messaggio news:403196b8.0 (AT) news1 (DOT) mweb.co.za... "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote in message news:k7KXb.316897$_P.10946486 (AT) news4 (DOT) tin.it... If I change the value of a DBGrid Column, the change does not become persistent unless I move the cursor outside the column; also the "Modified" property remains false. Is this the normal behaviour and is there a way to force the change to become persistent ? What you wamt to do is non-sensical. Assume you enter a 1, is this 1 or the 1 of 100 or 1000000? How is the program supposed to know when you have completed the entry for a particular column? PR Back to top Maarten Wiltink Guest Posted: Wed Feb 18, 2004 6:42 am    Post subject: Re: How to make persistent a change "Franco Jommi" <franco.jommmi (AT) tin (DOT) it> wrote Quote: But let'say I entered 100. If my cursor is still on that column and I clic a button outside the DBGrid, I need to realize that a change was made (or was being made). What I was trying to do was to test for the modified property to check, but did not work. WHen the change gets taken then ? When the focus leaves the current cell. Either to go to another cell, or when it leaves the grid altogether. So you'd have to catch the events TGrid.OnNavigate and TGrid.OnExit, or ones to that effect. 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