📄 frmsearchunit.~pas
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unit frmSearchUnit;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Buttons, ExtCtrls, ComCtrls, StdCtrls, Grids, DBGrids, DB,DBClient,ADODB;
type
TfrmSearch = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
SpeedButton1: TSpeedButton;
Panel3: TPanel;
Label1: TLabel;
S_DD: TDateTimePicker;
E_DD: TDateTimePicker;
SpeedButton2: TSpeedButton;
dsSource: TDataSource;
Panel4: TPanel;
Label2: TLabel;
Edit1: TEdit;
Label3: TLabel;
SpeedButton3: TSpeedButton;
DBGrid1: TDBGrid;
btnOK: TBitBtn;
procedure SpeedButton1Click(Sender: TObject);
procedure SpeedButton2Click(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure Edit1Change(Sender: TObject);
procedure SpeedButton3Click(Sender: TObject);
procedure DBGrid1DblClick(Sender: TObject);
procedure DBGrid1CellClick(Column: TColumn);
procedure DBGrid1ColEnter(Sender: TObject);
private
{ Private declarations }
public
initSql:String;
FieldA,TitleA,FieldB,TitleB,FieldA_TIME,S_Caption:String;
DD:TDateTime;
{ Public declarations }
end;
var
frmSearch: TfrmSearch;
implementation
{$R *.dfm}
procedure TfrmSearch.SpeedButton1Click(Sender: TObject);
begin
close;
end;
procedure TfrmSearch.SpeedButton2Click(Sender: TObject);
var
sql:String;
begin
sql:=initSql+' and '+FieldA_time +'>='''+FormatDatetime('yyyy-mm-dd',s_dd.Date)+''' and '+FieldA_TIME+'<='''+FormatDatetime('yyyy-MM-dd',E_DD.Date)+'''';
(dsSource.DataSet as TADOQUERY).Active:=False;
(dsSource.DataSet as TADOQUERY).SQL.Clear;
(dsSource.DataSet as TADOQUERY).SQL.(sql);
(dsSource.DataSet as TADOQUERY).Active:=True;
Label3.Caption:= S_Caption+' ['+IntToStr((dsSource.DataSet as TADOQUERY).RecordCount)+']笔数据';
end;
procedure TfrmSearch.FormShow(Sender: TObject);
begin
if dbGrid1.Columns.Count=2 then
begin
dbGrid1.Columns[0].Width:=154;
dbGrid1.Columns[1].Width:=112;
end;
Label1.Caption:=s_caption ;
Label3.Caption:= S_Caption+' ['+IntToStr((dsSource.DataSet as TADOQuery).RecordCount)+']笔数据';
if (dsSource.DataSet as TADOQuery).RecordCount=0 then
SPeedbutton2.Click;
end;
procedure TfrmSearch.Edit1Change(Sender: TObject);
var
s:string;
vDate: TDateTime;
begin
s:=DBGrid1.Columns[0].FieldName;
if (dsSource.DataSet as TclientDataSet).FieldByName(s).ClassName='TStringField' then
(dsSource.DataSet as TclientDataSet).Locate(s,edit1.Text,[loCaseInsensitive ])
else if (dsSource.DataSet as TclientDataSet).FieldByName(s).ClassName='TDateTimeField' then
begin
if TryStrToDate(Edit1.Text, vDate) then
(dsSource.DataSet as TclientDataSet).Locate(s,edit1.Text,[loCaseInsensitive ]) ;
end;
end;
procedure TfrmSearch.SpeedButton3Click(Sender: TObject);
begin
DBGrid1.Columns[1].Index:=0;
end;
procedure TfrmSearch.DBGrid1DblClick(Sender: TObject);
begin
close;
end;
procedure TfrmSearch.DBGrid1CellClick(Column: TColumn);
begin
Edit1.OnChange:=nil;
Edit1.Text := (dsSource.DataSet as TADOQUERY).FieldByName(FieldA).AsString;
Edit1.OnChange:=Edit1Change;
end;
procedure TfrmSearch.DBGrid1ColEnter(Sender: TObject);
begin
Edit1.OnChange:=nil;
Edit1.Text := (dsSource.DataSet as TADOQUERY).FieldByName(FieldA).AsString;
Edit1.OnChange:=Edit1Change;
end;
end.
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