📄 unit4.~pas
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unit Unit4;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Grids, DBGrids, Db, DBTables;
type
Tfrm_model = class(TForm)
DataSource1: TDataSource;
Table1: TTable;
Button1: TButton;
Button3: TButton;
Button4: TButton;
Button2: TButton;
Label2: TLabel;
lbl_date: TLabel;
Table1BDEDesigner: TStringField;
Table1BDEDesigner2: TStringField;
Table1BDEDesigner4: TStringField;
DBGrid1: TDBGrid;
procedure Button1Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure FormCreate(Sender: TObject);
procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
DataCol: Integer; Column: TColumn; State: TGridDrawState);
procedure DBGrid1CellClick(Column: TColumn);
private
{ Private declarations }
public
{ Public declarations }
end;
var
frm_model: Tfrm_model;
id:integer;
implementation
uses Unit2;
{$R *.DFM}
procedure Tfrm_model.Button1Click(Sender: TObject);
begin
table1.Append;
table1.FieldByName('序号').asstring:=inttostr(id);
end;
procedure Tfrm_model.Button4Click(Sender: TObject);
begin
table1.post;
frm_sys.show;
self.close;
end;
procedure Tfrm_model.Button3Click(Sender: TObject);
begin
if table1.recordcount>0 then
begin
if messagedlg('真的要删除吗?',mtconfirmation,[mbyes,mbno],0)=mryes then
table1.delete;
end
else
messagedlg('无记录可删除!',mtwarning,[mbyes],0);
end;
procedure Tfrm_model.Button2Click(Sender: TObject);
begin
table1.Insert;
table1.FieldByName('序号').asstring:=inttostr(id);
end;
procedure Tfrm_model.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (table1.recno=table1.recordcount) and (key=vk_down) then key:=0;
end;
procedure Tfrm_model.FormCreate(Sender: TObject);
begin
id:=table1.RecordCount;
id:=id+1;
lbl_date.Caption:=datetostr(date());
end;
procedure Tfrm_model.DBGrid1DrawColumnCell(Sender: TObject;
const Rect: TRect; DataCol: Integer; Column: TColumn;
State: TGridDrawState);
begin
With dbgrid1 do begin
If Odd(table1.FieldByName('序号').asinteger) then begin
Canvas.Brush.Color:=$02E0E8F0;
Canvas.Font.Color:=$02003300;
end
else begin
Canvas.Brush.Color:=$02E8F8F8;
Canvas.Font.Color:=$02330000;
end;
//If DataCol=7 then
//if Column.Field.AsCurrency<0 then Canvas.Font.Color:=$020000CC;
If State=[gdSelected] then begin
Canvas.Brush.Color:=$02445511;
Canvas.Font.Color:=clWhite;
end;
DefaultDrawColumnCell(Rect,DataCol,Column,State);
end;
end;
procedure Tfrm_model.DBGrid1CellClick(Column: TColumn);
begin
{with table1 do
begin
if RecordCount<1 then Exit;
if State<>dsEdit then Edit;
if FieldByName('选择').AsBoolean
then FieldByName('选择').AsBoolean := False
else FieldByName('选择').AsBoolean := True;
Post;
end; }
end;
end.
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