lypzle.pas

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unit LypZlE;

interface

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

type
  TfrmLypZlE = class(TForm)
    qryEdit: TADOQry;
    DataSource1: TDataSource;
    lblClass: TStaticText;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    edCode: TEdit;
    cmdOK: TBitBtn;
    cmdCancel: TBitBtn;
    qryEditCode: TStringField;
    qryEditName: TStringField;
    qryEditUnit: TStringField;
    qryEditNote: TStringField;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    Label5: TLabel;
    DBEdit5: TDBEdit;
    Label6: TLabel;
    DBEdit6: TDBEdit;
    qryEditPrice: TFloatField;
    procedure cmdOKClick(Sender: TObject);
    procedure FormKeyPress(Sender: TObject; var Key: Char);
    procedure qryEditPostError(DataSet: TDataSet; E: EDatabaseError;
      var Action: TDataAction);
    procedure qryEditNewRecord(DataSet: TDataSet);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  	lIsNew :Boolean;
    sClass :string;

    sUnit:string;
    procedure FModify(tsCode:string);
  public
	{ Public declarations }
	Function Add(tsClass:string):Boolean;
	Function Edit(tsCode:string):Boolean;
  end;

var
  frmLypZlE: TfrmLypZlE;

implementation

uses SelfFunc, LypZl;

{$R *.DFM}

procedure TfrmLypZlE.FModify(tsCode:string);
begin
    with qryEdit do
    begin
    	Close;
        if lIsNew then Parameters[0].Value :=Null 
        else Parameters[0].Value :=tsCode;
        Open;
        if lIsNew then
        begin
        	Append;
            edCode.Text :='';
        end;
	end;
    Self.SelectFirst;
end;

Function TfrmLypZlE.Add(tsClass:string):Boolean;
begin
	lIsNew :=True;
	sClass :=tsClass;

    lblClass.Caption :=sClass;
    edCode.Left :=lblClass.Left +lblClass.Width +1;

    lblClass.Visible :=True;
    edCode.Visible :=True;
    DBEdit1.Visible :=False;
    

	Self.Caption :='糤