Search found 24 matches

by patyi
29.12.2008, 21:14
Forum: Firebird
Topic: TZTable to read fewer records at a time
Replies: 5
Views: 1018

Hi all !

Here is the patch for Zeos 6.6.4-stable !

Just unpack and copy-replace this files to zeos/src/components and
(it is good practice to make backup !)
recompile zeos components ...

Now You have FetchRow property and FetchAll method on ZTable and ZQuery components ...

Have fun ! :lol:
by patyi
27.10.2008, 10:15
Forum: 6.6 - stable
Topic: Lazarus 0.9.26+Firebird 2.1+Zeos 6.6.3 CharSet problem
Replies: 3
Views: 955

Solved problem with charset

Problem is solved ! :D

I convert database : default charset to UTF8, all varchar, char filelds charset, collation to UTF8 and in ZConnection.Properties I put line : charset=UTF8.

I's now wok fine !!! :lol:
by patyi
26.10.2008, 20:21
Forum: 6.6 - stable
Topic: Lazarus 0.9.26+Firebird 2.1+Zeos 6.6.3 CharSet problem
Replies: 3
Views: 955

I'm not sure that is the Lazarus bug, so I made an litle test program with Lazarus SQLDB components and it is correct !!! :shock: In TIBConnection you can specify CharSet=UTF8 property and it's wirk ! Certanly I try to set ZConnection parameter : codepage=EAST_EUROPEEAN or UTF8 ... but with no affec...
by patyi
25.10.2008, 19:09
Forum: 6.6 - stable
Topic: Lazarus 0.9.26+Firebird 2.1+Zeos 6.6.3 CharSet problem
Replies: 3
Views: 955

Lazarus 0.9.26+Firebird 2.1+Zeos 6.6.3 CharSet problem

Hi all ! I have problem with Lazarus 0.9.26. In DBGrid I can't see some Varchar(30) fields with charset NONE, and contain East Europeean characters. Those field values is totally empty (invisible)-nothing is shown ! Fields that not contain this characters is shown normaly. Specification : Lazarus 0....
by patyi
06.08.2008, 16:28
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

Hi mdaems !

I'm now hapy, and thanks ! :D
(I know that you are serius guys !)
by patyi
05.08.2008, 22:32
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

Hi Michael !

Ok, in the next version ... :(
by patyi
05.08.2008, 15:32
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

Hi all ! I made patch to ZAbstractRODataset.pas and ZDataset.pas on new Zeos 6.6.3-stabel. (it is in attachment) Hou have simply replace this 2 files in src\Component folder, recompile, and install the library. Added new property : FetchRow (description is in my erlier posts) and new method : FetchA...
by patyi
04.08.2008, 21:26
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: Saving/restoring a dataset to/from a file
Replies: 11
Views: 2349

Hi Zippo ! Very nice ! I just want to notice one mistake in code if I fallow the logic correctly: procedure SaveDatasetToFile(DataSet: TDataSet; FileName: string; Separ: char=';'); var i, r : integer; Row, Fld : string; F : TextFile; begin AssignFile(F, FileName); Rewrite(F); r := DataSet.RecNo; Dat...
by patyi
30.07.2008, 21:32
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: Saving/restoring a dataset to/from a file
Replies: 11
Views: 2349

Hi Zippo !

I'm very glad that You find it useful ... and of cours I'm agree to publish changes !
by patyi
29.07.2008, 20:00
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: Saving/restoring a dataset to/from a file
Replies: 11
Views: 2349

Look at this example ...

Hi All ! I made this procedures a several jears ago, and use it succesfuly ... (saved and restored dataset must bee identical !) procedure QSaveToFile(DataSet: TDataSet; FileName: string; Separ: char=';'); var i, r : integer; t, s : string; F : TextFile; begin AssignFile(F, FileName); Rewrite(F); r ...
by patyi
30.05.2008, 13:13
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

Hi gto !

Did you try it ?

patyi
by patyi
27.05.2008, 16:57
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New method FetchAll for ZDataSet
Replies: 0
Views: 779

New method FetchAll for ZDataSet

Hi all,

I'm made new method FetchAll in case if you have to fetch all records in
runtime (when FetchRow is set to > 0) without calling Last, locate etc. keeping the cursor position unchanged.

The modifications is in attachment...

Tray it, test it ...
by patyi
27.05.2008, 00:02
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: Firebird 2.1 final release
Replies: 44
Views: 11617

Hi, A simple work a round for connecting to Firebird 2.1 First time you have to open tvice the query... Connection.Connect; if Connection.Connected then begin try Query.Open; // firs time is error except Query.Open; // second tim is success end; end; error occures only in design time ... My investig...
by patyi
26.05.2008, 23:47
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

Hi,

Scrolling down is fetching one by one record more.
Locate, Last, Sort etc. fetches all records.

You can test it making an simple program with DBGrid and
labels with RecNo and RecotdCount in captions...
by patyi
26.05.2008, 22:23
Forum: 6.5.1 (alpha) - 6.6.x (beta)
Topic: New property FetchRow in ZDataSet
Replies: 16
Views: 6057

New property FetchRow in ZDataSet

Hi all I'm made some changes in ZAbstractRODataset.pas and ZDataset.pas. The new peoperty FetchRow is added. When value of FethRow is 0 (zero) then component is working exactly like before (this is the default value). When value of FetchRow is for example 50, max 50 rows is fetched or more, depend o...