//***************************************************************************
BOOL CBCGPDAOGridCtrl::GetFieldList (LPCTSTR lpszTable, CStringList& lstField)
{
ASSERT (lpszTable != NULL);
lstField.RemoveAll ();
try
{
if (m_pDataBase == NULL)
{
ASSERT (FALSE);
return FALSE;
}
ASSERT_VALID (m_pDataBase);
if (!m_pDataBase->IsOpen ())
{
ASSERT (FALSE);
return FALSE;
}
CDaoRecordset* pRecordSet = new CDaoRecordset (m_pDataBase);
CString strSQL = _T("SELECT * FROM ");
strSQL += lpszTable;
pRecordSet->Open (AFX_DAO_USE_DEFAULT_TYPE, strSQL);
if (!pRecordSet->IsOpen ())
{
delete pRecordSet;
return FALSE;
}
const short nColumns = pRecordSet->GetFieldCount ();
for (short nColumn = 0; nColumn < nColumns; nColumn++)
{
CDaoFieldInfo info;
pRecordSet->GetFieldInfo (nColumn, info);
lstField.AddTail (info.m_strName);
}
pRecordSet->Close ();
delete pRecordSet;
}
catch (CDaoException* pEx)
{
OnDaoException (pEx);
pEx->Delete ();
return FALSE;
}
return TRUE;
}
void CDaoRecordView::OnInitialUpdate()
{
ASSERT_VALID(this);
CDaoRecordset* pRecordset = OnGetRecordset();
// recordset must be allocated already
ASSERT(pRecordset != NULL);
if (!pRecordset->IsOpen())
{
CWaitCursor wait;
pRecordset->Open();
}
if (!pRecordset->IsEOF())
{
// Determine recordset properties for move button enabling
if (pRecordset->CanBookmark())
{
// Get the bookmark of the first record
m_varBookmarkCurrent = pRecordset->GetBookmark();
m_varBookmarkFirst = m_varBookmarkCurrent;
}
// Enable forward scrolling buttons
m_nStatus |= AFX_DAOVIEW_SCROLL_NEXT;
// Enable backward scrolling buttons if possible
if (pRecordset->CanScroll())
{
m_nStatus |= AFX_DAOVIEW_SCROLL_LAST;
m_nStatus |= AFX_DAOVIEW_SCROLL_BACKWARD;
}
else
{
m_nStatus &= ~AFX_DAOVIEW_SCROLL_LAST;
m_nStatus &= ~AFX_DAOVIEW_SCROLL_BACKWARD;
}
}
else
{
// Disable scrolling
m_nStatus &= ~AFX_DAOVIEW_SCROLL_NEXT;
m_nStatus &= ~AFX_DAOVIEW_SCROLL_LAST;
m_nStatus &= ~AFX_DAOVIEW_SCROLL_BACKWARD;
}
CFormView::OnInitialUpdate();
}
CDaoRecordset* CMyDaoDatabaseDoc::GetRecordset()
{
CDaoRecordset* pSet = new CCustSet(&m_db);
try
{
pSet->Open();
}
catch(CDaoException* pe)
{
AfxMessageBox(pe->m_pErrorInfo->m_strDescription, MB_ICONEXCLAMATION);
// Delete the incomplete recordset object
delete pSet;
pSet = NULL;
pe->Delete();
}
return pSet;
}
