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root/public/ibx/trunk/examples/employee/unit1.pas

Comparing ibx/trunk/examples/employee/unit1.pas (file contents):
Revision 17 by tony, Sat Dec 28 19:22:24 2013 UTC vs.
Revision 66 by tony, Wed Aug 23 08:23:42 2017 UTC

#	Line 1 | Line 1
1	<	unit Unit1;
2	<
3	<	{$mode objfpc}{$H+}
4	<
5	<	interface
6	<
7	<	uses
8	<	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, DBGrids,
9	<	StdCtrls, ActnList, IBDatabase, IBQuery, IBCustomDataSet, IBUpdateSQL, db;
10	<
11	<	type
12	<
13	<	{ TForm1 }
14	<
15	<	TForm1 = class(TForm)
16	<	CancelChanges: TAction;
17	<	IBUpdateSQL1: TIBUpdateSQL;
18	<	SaveChanges: TAction;
19	<	DeleteEmployee: TAction;
20	<	EditEmployee: TAction;
21	<	AddEmployee: TAction;
22	<	ActionList1: TActionList;
23	<	Button1: TButton;
24	<	Button2: TButton;
25	<	Button3: TButton;
26	<	Button4: TButton;
27	<	Button5: TButton;
28	<	Datasource1: TDatasource;
29	<	DBGrid1: TDBGrid;
30	<	IBDatabase1: TIBDatabase;
31	<	IBQuery1: TIBQuery;
32	<	IBQuery1DEPT_NO: TIBStringField;
33	<	IBQuery1EMP_NO: TSmallintField;
34	<	IBQuery1FIRST_NAME: TIBStringField;
35	<	IBQuery1FULL_NAME: TIBStringField;
36	<	IBQuery1HIRE_DATE: TDateTimeField;
37	<	IBQuery1JOB_CODE: TIBStringField;
38	<	IBQuery1JOB_COUNTRY: TIBStringField;
39	<	IBQuery1JOB_GRADE: TSmallintField;
40	<	IBQuery1LAST_NAME: TIBStringField;
41	<	IBQuery1PHONE_EXT: TIBStringField;
42	<	IBQuery1SALARY: TIBBCDField;
43	<	IBTransaction1: TIBTransaction;
44	<	procedure AddEmployeeExecute(Sender: TObject);
45	<	procedure CancelChangesExecute(Sender: TObject);
46	<	procedure DBGrid1DblClick(Sender: TObject);
47	<	procedure DeleteEmployeeExecute(Sender: TObject);
48	<	procedure EditEmployeeExecute(Sender: TObject);
49	<	procedure EditEmployeeUpdate(Sender: TObject);
50	<	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
51	<	procedure FormShow(Sender: TObject);
52	<	procedure IBDatabase1AfterConnect(Sender: TObject);
53	<	procedure IBDatabase1BeforeDisconnect(Sender: TObject);
54	<	procedure IBQuery1AfterDelete(DataSet: TDataSet);
55	<	procedure IBQuery1AfterOpen(DataSet: TDataSet);
56	<	procedure IBQuery1AfterTransactionEnd(Sender: TObject);
57	<	procedure IBQuery1BeforeClose(DataSet: TDataSet);
58	<	procedure IBQuery1BeforeOpen(DataSet: TDataSet);
59	<	procedure IBQuery1PostError(DataSet: TDataSet; E: EDatabaseError;
60	<	var DataAction: TDataAction);
61	<	procedure IBQuery1SALARYGetText(Sender: TField; var aText: string;
62	<	DisplayText: Boolean);
63	<	procedure SaveChangesExecute(Sender: TObject);
64	<	procedure SaveChangesUpdate(Sender: TObject);
65	<	private
66	<	{ private declarations }
67	<	FDirty: boolean;
68	<	FClosing: boolean;
69	<	FLastEmp_no: integer;
70	<	procedure Reopen(Data: PtrInt);
71	<	public
72	<	{ public declarations }
73	<	end;
74	<
75	<	var
76	<	Form1: TForm1;
77	<
78	<	implementation
79	<
80	<	{$R *.lfm}
81	<
82	<	uses Unit2, Unit3, IB;
83	<
84	<	function ExtractDBException(msg: string): string;
85	<	var Lines: TStringList;
86	<	begin
87	<	Lines := TStringList.Create;
88	<	try
89	<	Lines.Text := msg;
90	<	if pos('exception',Lines[0]) = 1 then
91	<	Result := Lines[2]
92	<	else
93	<	Result := msg
94	<	finally
95	<	Lines.Free
96	<	end;
97	<	end;
98	<
99	<	{ TForm1 }
100	<
101	<	procedure TForm1.IBQuery1SALARYGetText(Sender: TField; var aText: string;
102	<	DisplayText: Boolean);
103	<	begin
104	<	if DisplayText then
105	<	begin
106	<	if Sender.IsNUll then
107	<	aText := ''
108	<	else
109	<	aText := FormatFloat('$#,##0.00',Sender.AsFloat)
110	<	end
111	<	else
112	<	aText := Sender.AsString
113	<	end;
114	<
115	<	procedure TForm1.SaveChangesExecute(Sender: TObject);
116	<	begin
117	<	IBQuery1.Transaction.Commit
118	<	end;
119	<
120	<	procedure TForm1.SaveChangesUpdate(Sender: TObject);
121	<	begin
122	<	(Sender as TAction).Enabled := FDirty
123	<	end;
124	<
125	<	procedure TForm1.Reopen(Data: PtrInt);
126	<	begin
127	<	with IBTransaction1 do
128	<	if not InTransaction then StartTransaction;
129	<	IBQuery1.Active := true
130	<	end;
131	<
132	<	procedure TForm1.AddEmployeeExecute(Sender: TObject);
133	<	var NewEmpNo: integer;
134	<	begin
135	<	if AddEmployeeDlg.ShowModal(NewEmpNo) = mrOK then
136	<	begin
137	<	FDirty := true;
138	<	IBQuery1.Active := false;
139	<	FLastEmp_no := NewEmpNo;
140	<	IBQuery1.Active := true
141	<	end;
142	<	end;
143	<
144	<	procedure TForm1.CancelChangesExecute(Sender: TObject);
145	<	begin
146	<	IBQuery1.Transaction.Rollback
147	<	end;
148	<
149	<	procedure TForm1.DBGrid1DblClick(Sender: TObject);
150	<	begin
151	<	if IBQuery1.Active and (IBQuery1.RecordCount > 0) then
152	<	EditEmployeeExecute(nil)
153	<	end;
154	<
155	<	procedure TForm1.DeleteEmployeeExecute(Sender: TObject);
156	<	begin
157	<	if MessageDlg(
158	<	Format('Remove %s from Employee List?',[IBQuery1.FieldByName('Full_Name').AsString]),
159	<	mtConfirmation,[mbYes,mbNo],0) = mrYes then
160	<	IBQuery1.Delete
161	<	end;
162	<
163	<	procedure TForm1.EditEmployeeExecute(Sender: TObject);
164	<	begin
165	<	if EditEmployeeDlg.ShowModal(IBQuery1.FieldByName('Emp_No').AsInteger) = mrOK then
166	<	begin
167	<	FDirty := true;
168	<	IBQuery1.Refresh
169	<	end;
170	<	end;
171	<
172	<	procedure TForm1.EditEmployeeUpdate(Sender: TObject);
173	<	begin
174	<	(Sender as TAction).Enabled := IBQuery1.Active and (IBQuery1.RecordCount > 0)
175	<	end;
176	<
177	<	procedure TForm1.FormClose(Sender: TObject; var CloseAction: TCloseAction);
178	<	begin
179	<	FClosing := true
180	<	end;
181	<
182	<	procedure TForm1.FormShow(Sender: TObject);
183	<	begin
184	<	FLastEmp_no := -1;
185	<	IBQuery1.Active := true
186	<	end;
187	<
188	<	procedure TForm1.IBDatabase1AfterConnect(Sender: TObject);
189	<	begin
190	<	with IBTransaction1 do
191	<	if not InTransaction then StartTransaction
192	<	end;
193	<
194	<	procedure TForm1.IBDatabase1BeforeDisconnect(Sender: TObject);
195	<	begin
196	<	FClosing := true
197	<	end;
198	<
199	<	procedure TForm1.IBQuery1AfterDelete(DataSet: TDataSet);
200	<	begin
201	<	FDirty := true
202	<	end;
203	<
204	<	procedure TForm1.IBQuery1AfterOpen(DataSet: TDataSet);
205	<	begin
206	<	if FLastEmp_no <> -1 then
207	<	DataSet.Locate('EMP_NO',FLastEmp_no,[])
208	<	end;
209	<
210	<	procedure TForm1.IBQuery1AfterTransactionEnd(Sender: TObject);
211	<	begin
212	<	FDirty := false;
213	<	if not FClosing then
214	<	Application.QueueAsyncCall(@Reopen,0)
215	<	end;
216	<
217	<	procedure TForm1.IBQuery1BeforeClose(DataSet: TDataSet);
218	<	begin
219	<	FLastEmp_no := DataSet.FieldByName('Emp_no').AsInteger
220	<	end;
221	<
222	<	procedure TForm1.IBQuery1BeforeOpen(DataSet: TDataSet);
223	<	begin
224	<	end;
225	<
226	<	procedure TForm1.IBQuery1PostError(DataSet: TDataSet; E: EDatabaseError;
227	<	var DataAction: TDataAction);
228	<	begin
229	<	if E is EIBError then
230	<	begin
231	<	MessageDlg(ExtractDBException(EIBError(E).message),mtError,[mbOK],0);
232	<	DataSet.Cancel;
233	<	DataAction  := daAbort
234	<	end;
235	<	end;
236	<
237	<	end.
238	<
1	>	unit Unit1;
2	>
3	>	{$mode objfpc}{$H+}
4	>
5	>	interface
6	>
7	>	uses
8	>	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, DBGrids,
9	>	StdCtrls, ActnList, EditBtn, DbCtrls, ExtCtrls, Buttons, IBDatabase, IBQuery,
10	>	IBCustomDataSet, IBUpdateSQL, IBDynamicGrid, IBLookupComboEditBox,
11	>	db, DBExtCtrls;
12	>
13	>	type
14	>
15	>	{ TForm1 }
16	>
17	>	TForm1 = class(TForm)
18	>	DBEdit6: TDBEdit;
19	>	EmployeesDEPT_KEY_PATH: TIBStringField;
20	>	EmployeesDEPT_PATH: TIBStringField;
21	>	EmployeesTEst: TStringField;
22	>	IBLookupComboEditBox1: TIBLookupComboEditBox;
23	>	IBLookupComboEditBox2: TIBLookupComboEditBox;
24	>	IBQuery1DEPT_NO: TIBStringField;
25	>	IBQuery1EMP_NO: TSmallintField;
26	>	IBQuery1FIRST_NAME: TIBStringField;
27	>	IBQuery1FULL_NAME: TIBStringField;
28	>	IBQuery1HIRE_DATE: TDateTimeField;
29	>	IBQuery1JOB_CODE: TIBStringField;
30	>	IBQuery1JOB_COUNTRY: TIBStringField;
31	>	IBQuery1JOB_GRADE: TSmallintField;
32	>	IBQuery1LAST_NAME: TIBStringField;
33	>	IBQuery1PHONE_EXT: TIBStringField;
34	>	IBQuery1SALARY: TIBBCDField;
35	>	SelectDept: TAction;
36	>	Button4: TButton;
37	>	Button5: TButton;
38	>	CancelChanges: TAction;
39	>	SalaryRange: TComboBox;
40	>	CountrySource: TDataSource;
41	>	BeforeDate: TDateEdit;
42	>	AfterDate: TDateEdit;
43	>	DeptsSource: TDataSource;
44	>	Depts: TIBQuery;
45	>	JobCodeSource: TDataSource;
46	>	DBEdit1: TDBEdit;
47	>	DBEdit2: TDBEdit;
48	>	DBEdit3: TDBEdit;
49	>	DBEdit4: TDBEdit;
50	>	DBEdit5: TDBEdit;
51	>	DBText1: TDBText;
52	>	Employees: TIBDataSet;
53	>	EmployeesDEPT_NO: TIBStringField;
54	>	EmployeesEMP_NO: TSmallintField;
55	>	EmployeesFIRST_NAME: TIBStringField;
56	>	EmployeesFULL_NAME: TIBStringField;
57	>	EmployeesHIRE_DATE: TDateTimeField;
58	>	EmployeesJOB_CODE: TIBStringField;
59	>	EmployeesJOB_COUNTRY: TIBStringField;
60	>	EmployeesJOB_GRADE: TSmallintField;
61	>	EmployeesLAST_NAME: TIBStringField;
62	>	EmployeesPHONE_EXT: TIBStringField;
63	>	EmployeesSALARY: TIBBCDField;
64	>	IBDateEdit1: TDBDateEdit;
65	>	IBDynamicGrid1: TIBDynamicGrid;
66	>	Countries: TIBQuery;
67	>	JobCodes: TIBQuery;
68	>	JobGradeDBComboBox: TDBComboBox;
69	>	Label10: TLabel;
70	>	Label11: TLabel;
71	>	Label12: TLabel;
72	>	Label13: TLabel;
73	>	Label3: TLabel;
74	>	Label4: TLabel;
75	>	Label5: TLabel;
76	>	Label6: TLabel;
77	>	Label7: TLabel;
78	>	Label8: TLabel;
79	>	Label9: TLabel;
80	>	Panel1: TPanel;
81	>	Panel2: TPanel;
82	>	EmployeeEditorPanel: TPanel;
83	>	SpeedButton1: TSpeedButton;
84	>	JobGradeChangeTimer: TTimer;
85	>	JobCodeChangeTimer: TTimer;
86	>	TotalsQueryTOTALSALARIES: TIBBCDField;
87	>	TotalsSource: TDataSource;
88	>	TotalsQuery: TIBQuery;
89	>	Label1: TLabel;
90	>	Label2: TLabel;
91	>	SaveChanges: TAction;
92	>	DeleteEmployee: TAction;
93	>	EditEmployee: TAction;
94	>	AddEmployee: TAction;
95	>	ActionList1: TActionList;
96	>	Button1: TButton;
97	>	Button2: TButton;
98	>	Button3: TButton;
99	>	EmployeeSource: TDataSource;
100	>	IBDatabase1: TIBDatabase;
101	>	IBTransaction1: TIBTransaction;
102	>	procedure EmployeesAfterPost(DataSet: TDataSet);
103	>	procedure EmployeesValidatePost(Sender: TObject; var CancelPost: boolean);
104	>	procedure JobCodeChangeTimerTimer(Sender: TObject);
105	>	procedure JobGradeChangeTimerTimer(Sender: TObject);
106	>	procedure JobGradeDBComboBoxCloseUp(Sender: TObject);
107	>	procedure SelectDeptExecute(Sender: TObject);
108	>	procedure AddEmployeeExecute(Sender: TObject);
109	>	procedure BeforeDateChange(Sender: TObject);
110	>	procedure CancelChangesExecute(Sender: TObject);
111	>	procedure CountriesBeforeOpen(DataSet: TDataSet);
112	>	procedure DeleteEmployeeExecute(Sender: TObject);
113	>	procedure EditEmployeeExecute(Sender: TObject);
114	>	procedure EditEmployeeUpdate(Sender: TObject);
115	>	procedure EmployeesAfterInsert(DataSet: TDataSet);
116	>	procedure EmployeesAfterOpen(DataSet: TDataSet);
117	>	procedure EmployeesAfterScroll(DataSet: TDataSet);
118	>	procedure EmployeesBeforeClose(DataSet: TDataSet);
119	>	procedure EmployeesBeforeOpen(DataSet: TDataSet);
120	>	procedure EmployeesJOB_CODEChange(Sender: TField);
121	>	procedure EmployeesJOB_GRADEChange(Sender: TField);
122	>	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
123	>	procedure FormShow(Sender: TObject);
124	>	procedure EmployeesAfterDelete(DataSet: TDataSet);
125	>	procedure EmployeesAfterTransactionEnd(Sender: TObject);
126	>	procedure EmployeesPostError(DataSet: TDataSet; E: EDatabaseError;
127	>	var DataAction: TDataAction);
128	>	procedure EmployeesSALARYGetText(Sender: TField; var aText: string;
129	>	DisplayText: Boolean);
130	>	procedure JobCodesBeforeOpen(DataSet: TDataSet);
131	>	procedure SaveChangesExecute(Sender: TObject);
132	>	procedure SaveChangesUpdate(Sender: TObject);
133	>	private
134	>	{ private declarations }
135	>	FDirty: boolean;
136	>	FClosing: boolean;
137	>	procedure Reopen(Data: PtrInt);
138	>	public
139	>	{ public declarations }
140	>	end;
141	>
142	>	var
143	>	Form1: TForm1;
144	>
145	>	implementation
146	>
147	>	{$R *.lfm}
148	>
149	>	uses IB, Unit2;
150	>
151	>	const
152	>	sNoName = '<no name>';
153	>
154	>	function ExtractDBException(msg: string): string;
155	>	var Lines: TStringList;
156	>	begin
157	>	Lines := TStringList.Create;
158	>	try
159	>	Lines.Text := msg;
160	>	if pos('exception',Lines[0]) = 1 then
161	>	Result := Lines[2]
162	>	else
163	>	Result := msg
164	>	finally
165	>	Lines.Free
166	>	end;
167	>	end;
168	>
169	>	{ TForm1 }
170	>
171	>	procedure TForm1.EmployeesSALARYGetText(Sender: TField; var aText: string;
172	>	DisplayText: Boolean);
173	>	begin
174	>	if DisplayText then
175	>	begin
176	>	if Sender.IsNUll then
177	>	aText := ''
178	>	else
179	>	aText := FormatFloat('$#,##0.00',Sender.AsFloat)
180	>	end
181	>	else
182	>	aText := Sender.AsString
183	>	end;
184	>
185	>	procedure TForm1.JobCodesBeforeOpen(DataSet: TDataSet);
186	>	begin
187	>	JobCodes.ParamByName('JOB_GRADE').AsInteger := EmployeesJOB_GRADE.AsInteger;
188	>	JobCodes.ParamByName('JOB_COUNTRY').AsString := EmployeesJOB_COUNTRY.AsString
189	>	end;
190	>
191	>	procedure TForm1.SaveChangesExecute(Sender: TObject);
192	>	begin
193	>	Employees.Transaction.Commit
194	>	end;
195	>
196	>	procedure TForm1.SaveChangesUpdate(Sender: TObject);
197	>	begin
198	>	(Sender as TAction).Enabled := FDirty
199	>	end;
200	>
201	>	procedure TForm1.Reopen(Data: PtrInt);
202	>	begin
203	>	with IBTransaction1 do
204	>	if not InTransaction then StartTransaction;
205	>	Countries.Active := true;
206	>	Employees.Active := true;
207	>	JobCodes.Active := true;
208	>	Depts.Active := true;
209	>	end;
210	>
211	>	procedure TForm1.AddEmployeeExecute(Sender: TObject);
212	>	begin
213	>	Employees.Append
214	>	end;
215	>
216	>	procedure TForm1.SelectDeptExecute(Sender: TObject);
217	>	var Dept_No: string;
218	>	begin
219	>	if SelectDeptDlg.ShowModal(EmployeesDEPT_KEY_PATH.AsString,Dept_No) = mrOK then
220	>	begin
221	>	Employees.Edit;
222	>	EmployeesDEPT_NO.AsString := Dept_No;
223	>	try
224	>	Employees.Post;
225	>	except
226	>	Employees.Cancel;
227	>	raise;
228	>	end;
229	>	IBDynamicGrid1.ShowEditorPanel;
230	>	end;
231	>	end;
232	>
233	>	procedure TForm1.EmployeesAfterPost(DataSet: TDataSet);
234	>	begin
235	>	Employees.Refresh
236	>	end;
237	>
238	>	procedure TForm1.EmployeesValidatePost(Sender: TObject; var CancelPost: boolean
239	>	);
240	>	begin
241	>	{Cancel if no name entered}
242	>	CancelPost := (EmployeesLAST_NAME.AsString = sNoName) and  (EmployeesFIRST_NAME.AsString = sNoName);
243	>	end;
244	>
245	>	procedure TForm1.JobCodeChangeTimerTimer(Sender: TObject);
246	>	begin
247	>	Countries.Active := false;
248	>	Countries.Active := true;
249	>	JobCodeChangeTimer.Interval := 0;
250	>	end;
251	>
252	>	procedure TForm1.JobGradeChangeTimerTimer(Sender: TObject);
253	>	begin
254	>	Countries.Active := false;
255	>	JobCodes.Active := false;
256	>	Countries.Active := true;
257	>	JobCodes.Active := true;
258	>	JobGradeChangeTimer.Interval := 0;
259	>	end;
260	>
261	>	procedure TForm1.JobGradeDBComboBoxCloseUp(Sender: TObject);
262	>	begin
263	>	JobGradeDBComboBox.EditingDone; //See http://bugs.freepascal.org/view.php?id=27186
264	>	end;
265	>
266	>	procedure TForm1.BeforeDateChange(Sender: TObject);
267	>	begin
268	>	Employees.Active := false;
269	>	Employees.Active := true
270	>	end;
271	>
272	>	procedure TForm1.CancelChangesExecute(Sender: TObject);
273	>	begin
274	>	Employees.Transaction.Rollback
275	>	end;
276	>
277	>	procedure TForm1.CountriesBeforeOpen(DataSet: TDataSet);
278	>	begin
279	>	Countries.ParamByName('JOB_GRADE').AsInteger := EmployeesJOB_GRADE.AsInteger;
280	>	Countries.ParamByName('JOB_CODE').AsString := EmployeesJOB_CODE.AsString
281	>	end;
282	>
283	>	procedure TForm1.DeleteEmployeeExecute(Sender: TObject);
284	>	begin
285	>	if MessageDlg(
286	>	Format('Remove %s from Employee List?',[Employees.FieldByName('Full_Name').AsString]),
287	>	mtConfirmation,[mbYes,mbNo],0) = mrYes then
288	>	Employees.Delete
289	>	end;
290	>
291	>	procedure TForm1.EditEmployeeExecute(Sender: TObject);
292	>	begin
293	>	IBDynamicGrid1.ShowEditorPanel;
294	>	end;
295	>
296	>	procedure TForm1.EditEmployeeUpdate(Sender: TObject);
297	>	begin
298	>	(Sender as TAction).Enabled := Employees.Active and (Employees.RecordCount > 0)
299	>	end;
300	>
301	>	procedure TForm1.EmployeesAfterInsert(DataSet: TDataSet);
302	>	begin
303	>	EmployeesJOB_COUNTRY.AsString := 'USA';
304	>	EmployeesJOB_CODE.AsString := 'SRep';
305	>	EmployeesJOB_GRADE.AsInteger := 4;
306	>	EmployeesSALARY.AsCurrency := 20000;
307	>	EmployeesFIRST_NAME.AsString := sNoName;
308	>	EmployeesLAST_NAME.AsString := sNoName;
309	>	EmployeesHIRE_DATE.AsDateTime := now;
310	>	EmployeesDEPT_NO.AsString := '000';
311	>	FDirty := true;
312	>	end;
313	>
314	>	procedure TForm1.EmployeesAfterOpen(DataSet: TDataSet);
315	>	begin
316	>	TotalsQuery.Active := true;
317	>	IBDynamicGrid1.SetFocus;
318	>	end;
319	>
320	>	procedure TForm1.EmployeesAfterScroll(DataSet: TDataSet);
321	>	begin
322	>	JobGradeChangeTimer.Interval := 200;
323	>	end;
324	>
325	>	procedure TForm1.EmployeesBeforeClose(DataSet: TDataSet);
326	>	begin
327	>	TotalsQuery.Active := false
328	>	end;
329	>
330	>	procedure TForm1.EmployeesBeforeOpen(DataSet: TDataSet);
331	>	begin
332	>	if BeforeDate.Date > 0 then
333	>	(DataSet as TIBParserDataSet).Parser.Add2WhereClause('HIRE_DATE < :BeforeDate');
334	>	if AfterDate.Date > 0 then
335	>	(DataSet as TIBParserDataSet).Parser.Add2WhereClause('HIRE_DATE > :AfterDate');
336	>
337	>	case SalaryRange.ItemIndex of
338	>	1:
339	>	(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary < 40000');
340	>	2:
341	>	(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary >= 40000 and Salary < 100000');
342	>	3:
343	>	(DataSet as TIBParserDataSet).Parser.Add2WhereClause('Salary >= 100000');
344	>	end;
345	>
346	>
347	>
348	>	{Parameter value must be set after all SQL changes have been made}
349	>	if BeforeDate.Date > 0 then
350	>	(DataSet as TIBParserDataSet).ParamByName('BeforeDate').AsDateTime := BeforeDate.Date;
351	>	if AfterDate.Date > 0 then
352	>	(DataSet as TIBParserDataSet).ParamByName('AfterDate').AsDateTime := AfterDate.Date;
353	>
354	>	end;
355	>
356	>	procedure TForm1.EmployeesJOB_CODEChange(Sender: TField);
357	>	begin
358	>	JobCodeChangeTimer.Interval := 200;
359	>	end;
360	>
361	>	procedure TForm1.EmployeesJOB_GRADEChange(Sender: TField);
362	>	begin
363	>	JobGradeChangeTimer.Interval := 200;
364	>	end;
365	>
366	>	procedure TForm1.FormClose(Sender: TObject; var CloseAction: TCloseAction);
367	>	begin
368	>	FClosing := true;
369	>	if IBTransaction1.InTransaction then
370	>	IBTransaction1.Commit;
371	>	end;
372	>
373	>	procedure TForm1.FormShow(Sender: TObject);
374	>	begin
375	>	repeat
376	>	try
377	>	IBDatabase1.Connected := true;
378	>	except
379	>	on E:EIBClientError do
380	>	begin
381	>	Close;
382	>	Exit
383	>	end;
384	>	On E:Exception do
385	>	MessageDlg(E.Message,mtError,[mbOK],0);
386	>	end;
387	>	until IBDatabase1.Connected;
388	>	Reopen(0);
389	>	end;
390	>
391	>	procedure TForm1.EmployeesAfterDelete(DataSet: TDataSet);
392	>	begin
393	>	FDirty := true
394	>	end;
395	>
396	>	procedure TForm1.EmployeesAfterTransactionEnd(Sender: TObject);
397	>	begin
398	>	FDirty := false;
399	>	if not FClosing then
400	>	Application.QueueAsyncCall(@Reopen,0)
401	>	end;
402	>
403	>	procedure TForm1.EmployeesPostError(DataSet: TDataSet; E: EDatabaseError;
404	>	var DataAction: TDataAction);
405	>	begin
406	>	if E is EIBError then
407	>	begin
408	>	MessageDlg(ExtractDBException(EIBError(E).message),mtError,[mbOK],0);
409	>	DataSet.Cancel;
410	>	DataAction  := daAbort
411	>	end;
412	>	end;
413	>
414	>	end.
415	>

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