mdclt.cpp

多层数据库

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

#include <vcl.h>
#pragma hdrstop

#include "mdclt.h"
#include "mdcltdm.h"
#include "..\\Mdserv_tlb.h"
#include "..\\mdservfrm.h"
#include "register.h"
#include "mduser.h"
//#include "..\\MIDASSERVIMPL.H"
//#include "..\\mdserver_ATL.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm2 *Form2;

ImidasservDisp mdServ;
//---------------------------------------------------------------------------
__fastcall TForm2::TForm2(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm2::Button1Click(TObject *Sender)
{
        AnsiString str;

        DataModule1->DCOMConnection1->Connected = true;
        if(!mdServ.IsBound())
        mdServ.Bind(DataModule1->DCOMConnection1->GetServer());

        //midasserv->Query1->First();
        str = mdServ->UserAuthentication(WideString(Edit1->Text),WideString(Edit2->Text));
        ShowMessage(str);

        if(str=="登陆失败，没有此用户，请注册！")
                Form4->Show();
        if((str=="登陆成功！您的用户级别为：管理员")||(str=="登陆成功！您的用户级别为：普通用户"))

                switch(MessageBox(Handle,"是否进行数据操作？","提示！",MB_YESNO|MB_ICONINFORMATION))
                {
                        case IDYES:
                            if(str=="登陆成功！您的用户级别为：管理员")
                              Form5->Show();
                            else
                              {Form5->DBNavigator1->Visible = false;
                              Form5->Show(); }

                              break;
                        case IDNO:
                              break;
                }

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

void __fastcall TForm2::FormClose(TObject *Sender, TCloseAction &Action)
{
        if(mdServ.IsBound())
         mdServ.Unbind();
         DataModule1->DCOMConnection1->Connected = false;
}
//---------------------------------------------------------------------------

void __fastcall TForm2::Button2Click(TObject *Sender)
{
        Close();
}
//---------------------------------------------------------------------------