dbgrid.cpp

来自「《C Builder 5程序设计——数据库应用实务篇》程序源代码」· C++ 代码 · 共 29 行

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

#include <vcl.h>
#pragma hdrstop

#include "DBGrid.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Table1CalcFields(TDataSet *DataSet)
{
   char sRec[25],sCnt[25];
   String s;
   itoa(Table1->RecNo,sRec,10);// 获取当前记录的位置
   s=sRec;
   s+=":";
   itoa(Table1->RecordCount,sCnt,10);// 获取数据库中记录的总个数
   s+=sCnt;
   Table1->FieldByName("RecNo")->AsString=s;// 给新字段RecNo赋值
}
//---------------------------------------------------------------------------