unit3.cpp

《C++Builder数据库程序设计》配书光盘 1.光盘内容 Readme.txt 光盘使用说明 书中各章范例文件

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit3.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
AnsiString myconnstr;
//建立数据库连接字符串
myconnstr="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=STUDENTS1.mdb";
//设置ADODataSet数据库连接属性
ADODataSet1->ConnectionString=myconnstr;
//设置以表为操作主体
ADODataSet1->CommandType=cmdTable;
//选定要打开的表