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FldTextF.pas
Package: delphi.rar [view]
Upload User: fh681027
Upload Date: 2022-07-23
Package Size: 1959k
Code Size: 2k
Category:
Delphi VCL
Development Platform:
Delphi
- unit FldTextF;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Db, DBTables, StdCtrls, Mask, DBCtrls, ExtCtrls, Grids, DBGrids, ComCtrls;
- type
- TDbaForm = class(TForm)
- Table1: TTable;
- DataSource1: TDataSource;
- Panel1: TPanel;
- Button2: TButton;
- PageControl1: TPageControl;
- TabSheet1: TTabSheet;
- TabSheet2: TTabSheet;
- DBGrid1: TDBGrid;
- DBNavigator1: TDBNavigator;
- DBCheckBox1: TDBCheckBox;
- DBEdit1: TDBEdit;
- DBEdit2: TDBEdit;
- DBComboBox1: TDBComboBox;
- DBText1: TDBText;
- Label1: TLabel;
- Label2: TLabel;
- Label3: TLabel;
- Label4: TLabel;
- DBListBox1: TDBListBox;
- Table1LastName: TStringField;
- Table1FirstName: TStringField;
- Table1Department: TSmallintField;
- Table1Branch: TStringField;
- Table1Senior: TBooleanField;
- Table1HireDate: TDateField;
- procedure FormCreate(Sender: TObject);
- procedure Table1DepartmentGetText(Sender: TField; var Text: String;
- DisplayText: Boolean);
- procedure Table1DepartmentSetText(Sender: TField; const Text: String);
- private
- { Private declarations }
- end;
- var
- DbaForm: TDbaForm;
- implementation
- {$R *.DFM}
- procedure TDbaForm.FormCreate(Sender: TObject);
- begin
- if not Table1.Exists then
- begin
- Table1.CreateTable;
- ShowMessage ('You can add data to this table'#13 +
- 'by using the DbAware example of Chapter 11');
- end;
- Table1.Open;
- end;
- procedure TDbaForm.Table1DepartmentGetText(Sender: TField;
- var Text: String; DisplayText: Boolean);
- begin
- case Sender.AsInteger of
- 1: Text := 'Sales';
- 2: Text := 'Accounting';
- 3: Text := 'Production';
- 4: Text := 'Management';
- else
- Text := '[Error]';
- end;
- end;
- procedure TDbaForm.Table1DepartmentSetText(Sender: TField;
- const Text: String);
- begin
- if Text = 'Sales' then
- Sender.Value := 1
- else if Text = 'Accounting' then
- Sender.Value := 2
- else if Text = 'Production' then
- Sender.Value := 3
- else if Text = 'Management' then
- Sender.Value := 4
- else
- raise Exception.Create ('Error in Department field conversion');
- end;
- end.