shoufei.cpp

CBUILDER+SQL的实现

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

#include <vcl.h>
#pragma hdrstop

#include "shoufei.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm6 *Form6;
//---------------------------------------------------------------------------
__fastcall TForm6::TForm6(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm6::Button2Click(TObject *Sender)
{
Close();
}
//---------------------------------------------------------------------------


void __fastcall TForm6::LabeledEdit1Exit(TObject *Sender)
{
if(DBEdit1->Text=="")
  {
    MessageBox(Handle,"学号不能为空！","信息提示",MB_OK);
    DBEdit1->SetFocus();
   }
 }
//---------------------------------------------------------------------------

void __fastcall TForm6::Button1Click(TObject *Sender)
{
 Table1->Post();

}
//---------------------------------------------------------------------------










void __fastcall TForm6::LabeledEdit6Exit(TObject *Sender)
{
 float gongyufei = atof( LabeledEdit2->Text.c_str() );
 float qitafei = atof( LabeledEdit4->Text.c_str() );
 float xuefei = atof( LabeledEdit5->Text.c_str() );
 float sum=gongyufei + qitafei + xuefei;
  LabeledEdit6->Text=FloatToStr(sum);

}
//---------------------------------------------------------------------------
void __fastcall TForm6::Button3Click(TObject *Sender)
{ if(Table1->Active==false)
Table1->Open();
Table1->Append();
 LabeledEdit2->Text="";
 LabeledEdit4->Text="";
 LabeledEdit5->Text="";
 LabeledEdit6->Text="";
}
//---------------------------------------------------------------------------

void __fastcall TForm6::FormCreate(TObject *Sender)
{
Table1->Open();        
}
//---------------------------------------------------------------------------