ba030.pas

利用delhpi 开发的一个关于零售业进销管理系统

unit BA030;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  Simple, Db, DBTables, StdCtrls, Mask, DBCtrls, Buttons, ExtCtrls;

type
  TfmBA030 = class(TfmSimple)
    qyMasterCompanyID: TStringField;
    qyMasterSupplierTypeID: TStringField;
    qyMasterSupplierTypeName: TStringField;
    qyMasterCreateMan: TStringField;
    qyMasterCreateDate: TStringField;
    qyMasterCreateTime: TStringField;
    qyMasterModifyMan: TStringField;
    qyMasterModifyDate: TStringField;
    qyMasterModifyTime: TStringField;
    Label1: TLabel;
    Label2: TLabel;
    ED2: TDBEdit;
    procedure qyMasterNewRecord(DataSet: TDataSet);
    procedure qyMasterBeforePost(DataSet: TDataSet);
    procedure qyMasterBeforeDelete(DataSet: TDataSet);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    procedure OpenDB; override;
  end;

var
  fmBA030: TfmBA030;

implementation

uses CheckData, PublicFunction, Main;

{$R *.DFM}

{ TfmSimpleTe }

procedure TfmBA030.FormCreate(Sender: TObject);
begin

  inherited;

  // sPrevID := '';
end;

procedure TfmBA030.OpenDB;
begin
  qyMaster.Close;
  OrderBySQL := 'SupplierTypeID';
  qyMaster.SQL.Text := SQLText;
  qyMaster.Open;

end;

procedure TfmBA030.qyMasterNewRecord(DataSet: TDataSet);
begin
  inherited;

  qyMaster.FieldByName('SupplierTypeID').AsString := Space(2);
  qyMaster.FieldByName('SupplierTypeNAme').AsString := Space(10);
end;

procedure TfmBA030.qyMasterBeforePost(DataSet: TDataSet);
begin
  inherited;

  if qyMaster.State = dsInsert then
  begin
    if Trim(qyMaster.FieldByName('SupplierTypeID').AsString) = '' then
    begin
      NullWarning('厂商类别编号');
      ED1.SetFocus;
      Abort;
    end;
    with qyTemp do
    begin
      Close;
      SQL.Clear;
      SQL.Add('SELECT SupplierTypeID ');
      SQL.Add('FROM SupplierType ');
      SQL.Add('WHERE CompanyID = :CompanyID ');
      SQL.Add('AND SupplierTypeID = :SupplierTypeID');
      ParamByName('CompanyID').AsString := sCompanyID;
      ParamByName('SupplierTypeID').AsString := qyMaster.FieldByName('SupplierTypeID').AsString;
      Open;
    end;
    if qyTemp.FieldByName('SupplierTypeID').AsString <> '' then
    begin
      RepeatWarning('厂商类别编号');
      ED1.SetFocus;
      Abort;
    end;
  end;
  if Trim(qyMaster.FieldByName('SupplierTypeName').AsString) = '' then
  begin
    NullWarning('厂商类别名称');
    ED2.SetFocus;
    Abort;
  end;
end;

procedure TfmBA030.qyMasterBeforeDelete(DataSet: TDataSet);
begin

 { Result := True;
  with qyTemp do
  begin
    Close;
    SQL.Clear;
    SQL.Add('SELECT SupplierTypeID ');
    SQL.Add('FROM Supplier ');
    SQL.Add('WHERE CompanyID = :CompanyID AND SupplierTypeID = :SupplierTypeID ');
    ParamByName('CompanyID').AsString := sCompanyID;
    ParamByName('SupplierTypeID').AsString := qyMaster.FieldByName('SupplierTypeID').AsString;
    Open;
  end;
  if qyTemp.FieldByName('SupplierTypeID').AsString <> '' then
  begin
    CannotDeleteWarning('厂商类别编号',qyTemp.FieldByName('SupplierTypeID').AsString);
    Result := False;
end;}
  inherited;

  // sPrevID := qyMaster.FieldByName('ID').AsString;
end;



end.