kq_ytbdke.pas

感应IC卡电脑考勤、门禁、售饭一卡通管理系统是基于我公司开发生产的ESW型智能卡记录器所具有的对持卡人刷卡卡号、时间、次数进行读取贮存等功能

unit Kq_YtBdkE;

interface

uses Variants,
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Mask, DBCtrls, ExtCtrls, Db, ObeyTable, Buttons,
  CodeEd, TimeIntField, ADODB, ADOQry;

type
  TfrmKq_YtBdkE = class(TForm)
    qryEdit: TADOQry;
    DataSource1: TDataSource;
    cmdOK: TBitBtn;
    cmdCancel: TBitBtn;
    qryEditID: TIntegerField;
    qryEditFDate: TDateTimeField;
    qryEditBdk0Time: TTimeIntField;
    qryEditBdk1Time: TTimeIntField;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    procedure cmdOKClick(Sender: TObject);
    procedure FormKeyPress(Sender: TObject; var Key: Char);
    procedure qryEditPostError(DataSet: TDataSet; E: EDatabaseError;
      var Action: TDataAction);
    procedure qryEditNewRecord(DataSet: TDataSet);
  private
    { Private declarations }
  	lIsNew :Boolean;
    procedure FModify(tnID:integer);
  public
	{ Public declarations }
	Function Add():Boolean;
	Function Edit(tnID:integer):Boolean;
  end;

var
  frmKq_YtBdkE: TfrmKq_YtBdkE;

implementation

uses SelfFunc, Kq_YtBdk;

{$R *.DFM}

procedure TfrmKq_YtBdkE.FModify(tnID:integer);
begin
    with qryEdit do
    begin
    	Close;
        if lIsNew then Parameters[0].Value :=Null 
        else Parameters[0].Value :=tnID;
        Open;
        if lIsNew then Append;
	end;
    Self.SelectFirst;
end;

Function TfrmKq_YtBdkE.Add():Boolean;
begin
	lIsNew :=True;

    FModify(0);
    Result :=(Self.ShowModal() =mrOK);
end;

Function TfrmKq_YtBdkE.Edit(tnID:integer):Boolean;
begin
	lIsNew :=False;

    FModify(tnID);
    Result :=(Self.ShowModal() =mrOK);
end;

procedure TfrmKq_YtBdkE.cmdOKClick(Sender: TObject);
begin
    if not ValidRecord(qryEdit,['FDate',vrvNull,
            'Bdk0Time',vrvNull, 'Bdk1Time',vrvNull])
    	then Exit;
	if qryEditBdk1Time.Value <= qryEditBdk0Time.Value then
    begin
    	MsgBox('叫块