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Filtering dataset not working CT6.8 - Firebird 3

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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13677

Jose Ceravolo Topic Author Offline Junior Member Posts: 25 Thank you received: 0	Hi All, I am new to CT and I have a procedure that sets up a filter in a dataset. It works in Delphi, but I can't get to work with CT. The filter is UPPER(NAME) like '%C%'. That should return any NAME that contains a C character in it. Thanks in advance, Jose.
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13678

Sternas Stefanos Offline Moderator Ex Pilot, M.Sc, Ph.D Posts: 4636 Thank you received: 1144	Thanks Sir First of all we don't use Delphi. Please give us more info: Your OS, a code sample. etc PilotLogic Architect and Core Programmer
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13680

Jose Ceravolo
Topic Author
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Junior Member
Posts: 25
Thank you received: 0

Hello Sternas,

I am using Windows 10.

Here's the code:

procedure TfrmDataBrowser.btApplyClick(Sender: TObject);
begin
if dsData.DataSet.FieldByName(lcFilter) is TStringField then
begin
dsData.DataSet.Filter := 'UPPER(' + lcFilter + ') like ' + quotedstr('%' + uppercase(edtSearch.Text) + '%');
end
else dsData.DataSet.Filter := lcFilter + ' = ' + edtSearch.Text;
dsData.DataSet.Filtered := true;
edtSearch.SelectAll;
edtSearch.SetFocus;
end;

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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13681

Sternas Stefanos
Offline
Moderator
Ex Pilot, M.Sc, Ph.D
Posts: 4636
Thank you received: 1144

Try this

procedure TfrmDataBrowser.btApplyClick(Sender: TObject);
begin
dsData.DataSet.Filtered := true;
if dsData.DataSet.FieldByName(lcFilter) is TStringField then
begin
dsData.DataSet.Filter := 'UPPER(' + lcFilter + ') like ' + quotedstr('%' + uppercase(edtSearch.Text) + '%');
end
else dsData.DataSet.Filter := lcFilter + ' = ' + edtSearch.Text;
edtSearch.SelectAll;
edtSearch.SetFocus;
end;

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Last edit: by Sternas Stefanos.

Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13683

Jose Ceravolo Topic Author Offline Junior Member Posts: 25 Thank you received: 0	It's the same, it does not return any records. It still works for integer fields.
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13684

Sternas Stefanos
Offline
Moderator
Ex Pilot, M.Sc, Ph.D
Posts: 4636
Thank you received: 1144

My suggestion is
to attach here a test project

procedure TfrmDataBrowser.btApplyClick(Sender: TObject);
begin
dsData.DataSet.Filtered := true;
dsData.DataSet.Refresh;

if dsData.DataSet.FieldByName(lcFilter) is TStringField then
begin
dsData.DataSet.Filter := 'UPPER(' + lcFilter + ') like ' + quotedstr('%' + uppercase(edtSearch.Text) + '%');
end
else dsData.DataSet.Filter := lcFilter + ' = ' + edtSearch.Text;
edtSearch.SelectAll;
edtSearch.SetFocus;
end;

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Last edit: by Sternas Stefanos.

Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13685

Jose Ceravolo Topic Author Offline Junior Member Posts: 25 Thank you received: 0	Ok, I created a working test project. The idea is to click on the title of the grid to be able to search that field. It works with the integer field. File Attachment: File Name: TestProject.zip File Size:671 KB Attachments:
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13688

Sternas Stefanos Offline Moderator Ex Pilot, M.Sc, Ph.D Posts: 4636 Thank you received: 1144	For which Firebird ver is your NEWDATABASE.FDB ? PilotLogic Architect and Core Programmer
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13689

Jose Ceravolo Topic Author Offline Junior Member Posts: 25 Thank you received: 0	Firebird 3
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13692

Jose Ceravolo Topic Author Offline Junior Member Posts: 25 Thank you received: 0	I got it to work by replacing the % for *. I wonder why that is. The % should work with Firebird. Anyway, it's working, but it should not be like that. Thanks, Jose.
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Filtering dataset not working CT6.8 - Firebird 3 7 years 2 weeks ago #13693

Sternas Stefanos Offline Moderator Ex Pilot, M.Sc, Ph.D Posts: 4636 Thank you received: 1144	Thanks Sir have fun PilotLogic Architect and Core Programmer
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