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Sorting DBGrid with SQLite3Dataset
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Topic: Sorting DBGrid with SQLite3Dataset (Read 5423 times)
dsyrios
Jr. Member
Posts: 57
Sorting DBGrid with SQLite3Dataset
«
on:
February 12, 2017, 07:32:37 pm »
Hi,
I have not much experience on databases,
so I want some help for
Sorting DBGrid by OnTitleClick with SQLite3Dataset.
Is there any example?
Thanks in advance.
using Laz 1.6.2 / win32
«
Last Edit: February 12, 2017, 07:42:18 pm by dsyrios
»
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Laz 2.0.2/FPC 3.0.4/ win10/64
Laz 2.0.0/FPC 3.0.4/ mint-mate 19.1
madref
Hero Member
Posts: 949
..... A day not Laughed is a day wasted !!
Re: Sorting DBGrid with SQLite3Dataset
«
Reply #1 on:
February 14, 2017, 01:04:06 am »
Then you need to do a few steps:
* Know which part has been selected.
* rewrite your query for the DBGrid with an 'ORDER BY ...' in it.
* then refresh your DBGrid
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Lazarus 3.99 (rev main_3_99-649-ge13451a5ab) FPC 3.3.1 x86_64-darwin-cocoa
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Jurassic Pork
Hero Member
Posts: 1228
Re: Sorting DBGrid with SQLite3Dataset
«
Reply #2 on:
February 14, 2017, 05:04:11 am »
hello,
you can try to use the code which is in the lazarus wiki
Grids_Reference_Page/Sorting columns or rows in DBGrid with sort arrows in column header
here
:
i have tried this code with my lazarus database example :
lazarus/examples/database/image_mushrooms
. It seems to be OK.
components in my sqlite3 database example :
TDbgrid
,
TSqlite3Connection
,
TSqlQuery
...
see in attachment the code in action in my example
Friendly, J.P
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dsyrios
Jr. Member
Posts: 57
Re: Sorting DBGrid with SQLite3Dataset
«
Reply #3 on:
February 16, 2017, 11:07:48 am »
Thanks !
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Laz 2.0.0/FPC 3.0.4/ mint-mate 19.1
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