Lazarus
Home
Help
TinyPortal
Search
Login
Register
Lazarus
»
Forum
»
Programming
»
Databases
»
[SOLVED] Adding and editing
Free Pascal
Website
Downloads
Wiki
Documentation
Bugtracker
Mailing List
Lazarus
Website
Downloads (Laz+FPC)
Packages (OPM)
FAQ
Wiki
Documentation (RTL/FCL/LCL)
Bugtracker
CCR Bugs
IRC channel
GIT
Mailing List
Other languages
Foundation
Website
Useful Wiki Links
Project Roadmap
Getting the Source
Screenshots
How to use the forum
About donations (wiki)
Bookstore
Computer Math and Games in Pascal
(preview)
Lazarus Handbook
Search
Advanced search
Recent
leetcode doesn’t support ...
by
Joanna
[
Today
at 01:42:28 am]
Preparing FPC 3.2.4, poin...
by
peter.dell
[
Today
at 01:38:41 am]
Is it possible to open a ...
by
Joanna
[
Today
at 01:37:02 am]
Demo Scene Picture sinwav...
by
KodeZwerg
[
Today
at 01:28:20 am]
open dialog - default dir...
by
KodeZwerg
[
Today
at 12:34:53 am]
Can function be used for ...
by
jamie
[
Today
at 12:26:42 am]
DbGrid, grid column check...
by
KodeZwerg
[
Today
at 12:08:29 am]
Colore celle StringGrid
by
JuanBell
[April 24, 2024, 10:37:56 pm]
Likely bug
by
440bx
[April 24, 2024, 10:12:59 pm]
Any upgrades to fpWeb pag...
by
verasan
[April 24, 2024, 10:11:46 pm]
Web Applications with Pas...
by
Handoko
[April 24, 2024, 08:56:29 pm]
AI, NLP and CAI: Text Gen...
by
indydev
[April 24, 2024, 08:54:00 pm]
Offical launch of the 1 B...
by
Gustavo 'Gus' Carreno
[April 24, 2024, 08:48:22 pm]
Multidimensional arrays a...
by
KodeZwerg
[April 24, 2024, 08:34:38 pm]
Ho Ho Ho IntraWeb in Laza...
by
Thaddy
[April 24, 2024, 08:31:29 pm]
[SOLVED] System.Now gives...
by
alpine
[April 24, 2024, 08:29:19 pm]
Installing and using Vamp...
by
Odacir
[April 24, 2024, 07:58:22 pm]
Demo Scene Bitmap Font Sc...
by
KodeZwerg
[April 24, 2024, 07:21:14 pm]
what's difference between...
by
ASerge
[April 24, 2024, 07:09:52 pm]
splitting an image
by
KodeZwerg
[April 24, 2024, 07:07:21 pm]
Debugger error
by
bobonwhidbey
[April 24, 2024, 07:03:07 pm]
How to: create DLL file f...
by
paule32
[April 24, 2024, 07:02:31 pm]
Your best UI design - con...
by
circular
[April 24, 2024, 06:48:12 pm]
Converting a string/index...
by
1HuntnMan
[April 24, 2024, 06:35:19 pm]
Drawing grid lines on a t...
by
KodeZwerg
[April 24, 2024, 05:42:19 pm]
« previous
next »
Print
Pages: [
1
]
Author
Topic: [SOLVED] Adding and editing (Read 528 times)
Pe3s
Hero Member
Posts: 533
[SOLVED] Adding and editing
«
on:
November 26, 2022, 06:33:39 pm »
Hello, I wrote this code, how to correct the iID code to Integer variable or stay with the String variable?
Button Add
Code: Pascal
[Select]
[+]
[-]
procedure
TfGlowna
.
SpeedButton4Click
(
Sender
:
TObject
)
;
begin
fMiesiac
.
iID
:
=
''
;
fMiesiac
.
ShowModal
;
end
;
Button edit
Code: Pascal
[Select]
[+]
[-]
procedure
TfGlowna
.
SpeedButton5Click
(
Sender
:
TObject
)
;
begin
fMiesiac
.
iID
:
=
IntToStr
(
ZQuery1
.
FieldByName
(
'MiesiacID'
)
.
AsInteger
)
;
fMiesiac
.
ComboBox1
.
Text
:
=
ZQuery1
.
FieldByName
(
'Miesiac'
)
.
AsString
;
fMiesiac
.
ShowModal
;
end
;
Form Add & edit
Code: Pascal
[Select]
[+]
[-]
unit
Unit2
;
{$mode ObjFPC}{$H+}
interface
uses
Classes
,
SysUtils
,
Forms
,
Controls
,
Graphics
,
Dialogs
,
StdCtrls
,
Buttons
;
type
{ TfMiesiac }
TfMiesiac
=
class
(
TForm
)
BitBtn1
:
TBitBtn
;
BitBtn2
:
TBitBtn
;
ComboBox1
:
TComboBox
;
Label1
:
TLabel
;
procedure
BitBtn1Click
(
Sender
:
TObject
)
;
private
public
iID
:
String
;
end
;
var
fMiesiac
:
TfMiesiac
;
implementation
uses
Unit1
;
{$R *.lfm}
{ TfMiesiac }
procedure
TfMiesiac
.
BitBtn1Click
(
Sender
:
TObject
)
;
var
myID
:
Integer
;
begin
if
iID
=
''
then
begin
fGlowna
.
ZQuery1
.
Close
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'INSERT INTO miesiac(Miesiac) values(:Miesiac)'
;
fGlowna
.
ZQuery1
.
ParamByName
(
'Miesiac'
)
.
AsString
:
=
ComboBox1
.
Items
[
ComboBox1
.
ItemIndex
]
;
end
else
begin
myID
:
=
fGlowna
.
ZQuery1
.
FieldByName
(
'MiesiacID'
)
.
AsInteger
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'UPDATE miesiac SET Miesiac=:Miesiac WHERE MiesiacID=:MiesiacID'
;
fGlowna
.
ZQuery1
.
ParamByName
(
'Miesiac'
)
.
AsString
:
=
ComboBox1
.
Items
[
ComboBox1
.
ItemIndex
]
;
fGlowna
.
ZQuery1
.
ParamByName
(
'MiesiacID'
)
.
AsInteger
:
=
myID
;
end
;
fGlowna
.
ZQuery1
.
ExecSQL
;
fGlowna
.
ZQuery1
.
Close
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'SELECT * FROM miesiac'
;
fGlowna
.
ZQuery1
.
Open
;
fGlowna
.
ZQuery1
.
Last
;
Self
.
Close
;
end
;
end
.
«
Last Edit: November 26, 2022, 08:47:49 pm by Pe3s
»
Logged
paweld
Hero Member
Posts: 1003
Re: Adding and editing
«
Reply #1 on:
November 26, 2022, 07:53:30 pm »
Code: Pascal
[Select]
[+]
[-]
procedure
TfGlowna
.
SpeedButton4Click
(
Sender
:
TObject
)
;
//add
begin
fMiesiac
.
iID
:
=
0
;
fMiesiac
.
ShowModal
;
end
;
procedure
TfGlowna
.
SpeedButton5Click
(
Sender
:
TObject
)
;
//edit
begin
fMiesiac
.
iID
:
=
ZQuery1
.
FieldByName
(
'MiesiacID'
)
.
AsInteger
;
fMiesiac
.
ComboBox1
.
Text
:
=
ZQuery1
.
FieldByName
(
'Miesiac'
)
.
AsString
;
fMiesiac
.
ShowModal
;
end
;
Form2:
Code: Pascal
[Select]
[+]
[-]
unit
Unit2
;
{$mode ObjFPC}{$H+}
interface
uses
Classes
,
SysUtils
,
Forms
,
Controls
,
Graphics
,
Dialogs
,
StdCtrls
,
Buttons
;
type
{ TfMiesiac }
TfMiesiac
=
class
(
TForm
)
BitBtn1
:
TBitBtn
;
BitBtn2
:
TBitBtn
;
ComboBox1
:
TComboBox
;
Label1
:
TLabel
;
procedure
BitBtn1Click
(
Sender
:
TObject
)
;
private
public
iID
:
Integer
;
end
;
var
fMiesiac
:
TfMiesiac
;
implementation
uses
Unit1
;
{$R *.lfm}
{ TfMiesiac }
procedure
TfMiesiac
.
BitBtn1Click
(
Sender
:
TObject
)
;
begin
fGlowna
.
ZQuery2
.
SQL
.
Clear
;
if
iID <
1
then
//corrected typo
begin
fGlowna
.
ZQuery2
.
SQL
.
Text
:
=
'INSERT INTO miesiac(Miesiac) values(:Miesiac)'
;
end
else
begin
fGlowna
.
ZQuery2
.
SQL
.
Text
:
=
'UPDATE miesiac SET Miesiac=:Miesiac WHERE MiesiacID=:MiesiacID'
;
fGlowna
.
ZQuery2
.
ParamByName
(
'MiesiacID'
)
.
AsInteger
:
=
iID
;
end
;
fGlowna
.
ZQuery2
.
ParamByName
(
'Miesiac'
)
.
AsString
:
=
ComboBox1
.
Items
[
ComboBox1
.
ItemIndex
]
;
fGlowna
.
ZQuery2
.
ExecSQL
;
fGlowna
.
ZQuery1
.
Refresh
;
fGlowna
.
ZQuery1
.
Last
;
Self
.
Close
;
end
;
end
.
Don't be afraid to use more than one TZQuery component. You won't have to unnecessarily close and duplicate the same queries every time
«
Last Edit: November 26, 2022, 08:35:22 pm by paweld
»
Logged
Best regards / Pozdrawiam
paweld
Pe3s
Hero Member
Posts: 533
Re: Adding and editing
«
Reply #2 on:
November 26, 2022, 08:26:46 pm »
The problem is that it does not add new records, only updates
Logged
paweld
Hero Member
Posts: 1003
Re: Adding and editing
«
Reply #3 on:
November 26, 2022, 08:35:49 pm »
sorry for the typo. corrected previous post - form2, line 42.
Logged
Best regards / Pozdrawiam
paweld
Pe3s
Hero Member
Posts: 533
Re: Adding and editing
«
Reply #4 on:
November 26, 2022, 08:47:36 pm »
@paweld, Thank you
Logged
Print
Pages: [
1
]
« previous
next »
Lazarus
»
Forum
»
Programming
»
Databases
»
[SOLVED] Adding and editing
TinyPortal
© 2005-2018