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Topic: [SOLVED] Adding and editing (Read 501 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
;
{$R *.lfm}
{ TfMiesiac }
procedure
TfMiesiac
.
BitBtn1Click
(
Sender
:
TObject
)
;
var
myID
:
Integer
;
begin
if
iID
=
''
then
begin
fGlowna
.
ZQuery1
.
Close
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'INSERT INTO miesiac(Miesiac) values(:Miesiac)'
;
fGlowna
.
ZQuery1
.
ParamByName
(
'Miesiac'
)
.
AsString
:
=
ComboBox1
.
Items
[
ComboBox1
.
ItemIndex
]
;
end
else
begin
myID
:
=
fGlowna
.
ZQuery1
.
FieldByName
(
'MiesiacID'
)
.
AsInteger
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'UPDATE miesiac SET Miesiac=:Miesiac WHERE MiesiacID=:MiesiacID'
;
fGlowna
.
ZQuery1
.
ParamByName
(
'Miesiac'
)
.
AsString
:
=
ComboBox1
.
Items
[
ComboBox1
.
ItemIndex
]
;
fGlowna
.
ZQuery1
.
ParamByName
(
'MiesiacID'
)
.
AsInteger
:
=
myID
;
end
;
fGlowna
.
ZQuery1
.
ExecSQL
;
fGlowna
.
ZQuery1
.
Close
;
fGlowna
.
ZQuery1
.
SQL
.
Clear
;
fGlowna
.
ZQuery1
.
SQL
.
Text
:
=
'SELECT * FROM miesiac'
;
fGlowna
.
ZQuery1
.
Open
;
fGlowna
.
ZQuery1
.
Last
;
Self
.
Close
;
end
;
end
.
«
Last Edit: November 26, 2022, 08:47:49 pm by Pe3s
»
Logged
paweld
Hero Member
Posts: 1002
Re: Adding and editing
«
Reply #1 on:
November 26, 2022, 07:53:30 pm »
Code: Pascal
[Select]
[+]
[-]
procedure
TfGlowna
.
SpeedButton4Click
(
Sender
:
TObject
)
;
//add
begin
fMiesiac
.
iID
:
=
0
;
fMiesiac
.
ShowModal
;
end
;
procedure
TfGlowna
.
SpeedButton5Click
(
Sender
:
TObject
)
;
//edit
begin
fMiesiac
.
iID
:
=
ZQuery1
.
FieldByName
(
'MiesiacID'
)
.
AsInteger
;
fMiesiac
.
ComboBox1
.
Text
:
=
ZQuery1
.
FieldByName
(
'Miesiac'
)
.
AsString
;
fMiesiac
.
ShowModal
;
end
;
Form2:
Code: Pascal
[Select]
[+]
[-]
unit
Unit2
;
{$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: 1002
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
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