frm_filenogeneralruleinfo.pas

这是一个基于delphi平台的物流空运管理系统！

unit Frm_FileNoGeneralRuleInfo;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Frm_Cargo, XPMenu, DB, ADODB, StdCtrls, Buttons, ExtCtrls,
  ComCtrls;

type
  TFrmFileNoGeneralRuleInfo = class(TFrmCargo)
    LV: TListView;
    Panel1: TPanel;
    Panel2: TPanel;
    BtnCancel: TBitBtn;
    BtnNew: TBitBtn;
    BtnDelete: TBitBtn;
    BtnEdit: TBitBtn;
    QryTemp: TADOQuery;
    procedure FormCreate(Sender: TObject);
    procedure BtnNewClick(Sender: TObject);
    procedure BtnEditClick(Sender: TObject);
    procedure BtnDeleteClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmFileNoGeneralRuleInfo: TFrmFileNoGeneralRuleInfo;

implementation

uses Frm_Main, Frm_FileNoGeneralRuleEdit;

{$R *.dfm}

procedure TFrmFileNoGeneralRuleInfo.FormCreate(Sender: TObject);
begin
  inherited;
  QryTemp.Close;
  QryTemp.SQL.Text :=
    'FileNoPre,FileNoRule,FileNoDesc,CurrentNo,ZeroRule,ZeroData,Remark from FileNoInfo';
  QryTemp.Open;

  FrmMain.AddColumn(LV, '工作号', 120);
  FrmMain.AddColumn(LV, '编码规则', 120);
  FrmMain.AddColumn(LV, '中文名称', 120);
  FrmMain.AddColumn(LV, '当前数值', 120);
  FrmMain.AddColumn(LV, '归零方式', 120);
  FrmMain.AddColumn(LV, '归零值', 120);
  FrmMain.AddColumn(LV, '描  述', 120);

  FrmMain.AddData(LV, QryTemp);
end;

procedure TFrmFileNoGeneralRuleInfo.BtnNewClick(Sender: TObject);
begin
  inherited;
  FrmFileNoGeneralRuleEdit := TFrmFileNoGeneralRuleEdit.Create(Self);
  FrmFileNoGeneralRuleEdit.IsEdit := False;
  FrmFileNoGeneralRuleEdit.FileNoPre := '';
  FrmFileNoGeneralRuleEdit.Showmodal;
end;

procedure TFrmFileNoGeneralRuleInfo.BtnEditClick(Sender: TObject);
begin
  inherited;
  if LV.SelCount = 0 then
  begin
    ShowMessage('请选择一条记录进行编辑!');
    exit;
  end;

  FrmFileNoGeneralRuleEdit := TFrmFileNoGeneralRuleEdit.Create(Self);
  with FrmFileNoGeneralRuleEdit do
  begin
    IsEdit := True;
    BtnAdd.Enabled := True;
    FileNoPre := LV.Selected.Caption;
    Showmodal;
  end;
end;

procedure TFrmFileNoGeneralRuleInfo.BtnDeleteClick(Sender: TObject);
var
  SqlStr: string;
begin
  inherited;
  if FrmMain.IncludeValue('工作号维护') then
  else
  begin
    ShowMessage('对不起，你不具有该操作的权限！');
    exit;
  end;

  if lv.Items.Count = 0 then
  begin
    ShowMessage('记录集为空,不能够删除');
    exit;
  end;
  
  if LV.SelCount = 0 then
  begin
    ShowMessage('请选取窗体中的一行!');
    exit; //如果没有选取行
  end;

  if MessageDlg('是否删除所选中的记录,请确定', mtConfirmation, [mbYes, mbNo], 0)
    = mrNO then
    exit;

  try
    if (FrmMain.CheckExistCount('FileNoPre', LV.Selected.Caption, 'UserFileNo')
      > 0) then
    begin
      ShowMessage('此数据与其它表关联,不可删除!');
      Exit
    end;
    SqlStr := 'Delete From FileNoInfo where FileNoPre=''' + LV.Selected.Caption +
      '''';
    if FrmMain.ExecSQL(SqlStr) then
    else
    begin
      ShowMessage('记录删除失败,请检查!');
      Exit;
    end;
  except
    ShowMessage('删除操作进行失败,请检查!');
    Exit;
  end;
  LV.Selected.Delete;
end;

end.