access violation at address 40028583 in module 'rtl60.bpl'.read of address ffffffff.
我用DELPHI做一个用BDE连接ACCESS的数据库,并且打印数据,是不是数据多了?
我用DELPHI做一个用BDE连接ACCESS的数据库,并且打印数据,是不是数据多了?
解决方案 »
- 找几个人,毕业的学生也可 [email protected]
- DBGRID的问题?
- 朋友能不能把这段话贴到各大学的网站或者那些白领精英常去的网站!!!!!!!!!!!!!!
- 求助高手用delphi6实现点对点文件传输
- 取ODBC的DSN
- 求购医院管理系统源代码!联系了廉价的生意,开发成本太高了,想购买然后修改了再卖。
- 关于delphi7中的rave
- 连接SQL ANYWHERE 数据库?UP有分!!在线等待!!!!!!!!
- 哪有持支sql的免费个人主页呀?
- Dll中的函数声明问题,C++写的DLL,要在DELPHI调用. :-(
- 请教个问题...
- 软件发布——————那里有免费的软件发布空间?????
很可能是某个类没有实例化
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, QuickRpt, QRCtrls, ExtCtrls, DB, DBTables;type
TForm2 = class(TForm)
QuickRep1: TQuickRep;
Table1: TTable;
Database1: TDatabase;
DataSource1: TDataSource;
QRBand1: TQRBand;
QRExprMemo1: TQRExprMemo;
private
{ Private declarations }
public
{ Public declarations }
end;var
Form2: TForm2;implementation{$R *.dfm}end.
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, DB, DBTables, Grids, DBGrids, ComCtrls, StdCtrls, Mask, DBCtrls;type
TForm1 = class(TForm)
PageControl1: TPageControl;
DataSource1: TDataSource;
Table1: TTable;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
DBGrid1: TDBGrid;
TabSheet3: TTabSheet;
DBEdit1: TDBEdit;
DBEdit2: TDBEdit;
DBEdit3: TDBEdit;
DBEdit4: TDBEdit;
DBEdit5: TDBEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
GroupBox1: TGroupBox;
Edit1: TEdit;
Label6: TLabel;
ComboBox1: TComboBox;
Label7: TLabel;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Database1: TDatabase;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementationuses Unit2;{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
if table1.Bof=false
then table1.prior
end;procedure TForm1.Button2Click(Sender: TObject);
begin
if table1.eof=false
then table1.Next;
end;procedure TForm1.Button4Click(Sender: TObject);
begin
table1.FindKey([edit1.text]);end;procedure TForm1.Button5Click(Sender: TObject);
begin
form2.show;
form2.QuickRep1.preview
end;procedure TForm1.Button6Click(Sender: TObject);
begin
form2.QuickRep1.PrinterSetup
end;end.
把QuickRep1上的控件可没必要的代码都去掉, 然后试试。
preview一下, 一般不会有问题目, 然后一个一个加回去。
procedure TForm1.Button5Click(Sender: TObject);
begin
form2.show;
form2.QuickRep1.preview
end;
这个有错吗?
但是我加了quickrep1.free后还是不行.....