loginform.cpp

C++ BUILDER精彩编程实例集锦(源码)3 第五部分 系统编程 第六部分 数据库应用

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

#include <vcl.h>
#pragma hdrstop

#include "LoginForm.h"
#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm2 *Form2;
//---------------------------------------------------------------------------
__fastcall TForm2::TForm2(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm2::BitBtn1Click(TObject *Sender)
{
   if(Form1->Database1->Connected==false)
   {
     Form1->Database1->LoginPrompt=false;
     Form1->Database1->Params->Values["UserName"]=this->Edit1->Text;
     Form1->Database1->Params->Values["Password"]=this->Edit2->Text;
     try
     {
       Form1->Database1->Connected=true;
       Form1->Table1->Active=true;
     }
     catch(...)
     {
       MessageBox(NULL,"与数据库连接失败","信息提示",MB_OK);
     }
   }
   this->Close();
}
//---------------------------------------------------------------------------
void __fastcall TForm2::BitBtn2Click(TObject *Sender)
{
   this->Close();
}
//---------------------------------------------------------------------------