unit1.~cpp

c++ builder,ado控件用法的部分演示

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

#include <vcl.h>
#pragma hdrstop
#include "Unit2.h"
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::btnExitClick(TObject *Sender)
{
Application->Terminate();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::DBGrid1TitleClick(TColumn *Column)
{
lbl1->Caption="你选择的当前列是："+(Column->FieldName);
}
//---------------------------------------------------------------------------
int ColumnWidth=20;
void __fastcall TForm1::DBGrid1CellClick(TColumn *Column)
{
  int tmpwidth;
  if(Column->Width!=ColumnWidth)
  {
     tmpwidth=Column->Width;
     Column->Width=ColumnWidth ;
     ColumnWidth=tmpwidth ;
  }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::btn1Click(TObject *Sender)
{
Form2->Show();
}
//---------------------------------------------------------------------------