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Private Sub cmdExit_Click() Dim intErr As Integer, frm As Form, intI As Integer Dim strData As String, strDir As String Dim lngOpen As Long, datBackup As Date Dim strLowBkp As String, strBkp As String, intBkp As Integer Dim db As DAO.Database, rst As DAO.Recordset If vbNo = MsgBox("Are you sure you want to exit ", _ vbYesNo + vbQuestion + vbDefaultButton2, _ gstrAppTitle) Then Exit Sub End If ' Trap any errors On Error Resume Next ' Make sure all forms are closed For intI = (Forms.Count - 1) To 0 Step -1 Set frm = Forms(intI) ' Don't close myself! If frm.Name <> "frmMain" Then ' Use the form's "Cancel" routine frm.cmdCancel_Click DoEvents End If ' Note any error that occurred If Err <> 0 Then intErr = -1 Next intI ' Log any error beyond here On Error GoTo frmMain_Error ' Skip backup check if there were errors If intErr = 0 Then Set db = CurrentDb ' Open ztblVersion to see if we need to do a backup Set rst = db.OpenRecordset("ztblVersion", dbOpenDynaset) rst.MoveFirst lngOpen = rst!OpenCount datBackup = rst!LastBackup rst.Close Set rst = Nothing ' If the user has opened 10 times ' or last backup was more than 2 weeks ago... If (lngOpen Mod 10 = 0) Or ((Date - datBackup) > 14) Then ' Ask if they want to backup... If vbYes = MsgBox("LawTrack highly recommends backing up " & _ "your data to avoid " & _ "any accidental data loss. Would you like to backup now ", _ vbYesNo + vbQuestion, gstrAppTitle) Then ' Get the name of the data file

If the Driver Verifier is enabled and, depending on verification options, pool verification is enabled, object handle tracing is started for the system process 16 The security reference monitor creates the \Security directory in the object manager namespace and initializes auditing data structures if auditing is enabled 17 The memory manager is called to create the section object and the memory manager s system worker threads (which are explained in 9) 18 NLS tables are mapped into system space so that they can be easily mapped by usermode processes 19 Ntdlldll is mapped into the system address space 20 The cache manager initializes the file system cache data structures and creates its worker threads..

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strData = Mid(db.TableDefs("ztblVersion").Connect, 11) ' Get the name of its folder strDir = Left(strData, InStrRev(strData, "\")) ' See if the "BackupData" folder exists If Len(Dir(strDir & "BackupData", vbDirectory)) = 0 Then ' Nope, build it! MkDir strDir & "BackupData" End If ' Now find any existing backups - keep only three strBkp = Dir(strDir & "BackupData\LawTrackBkp*.mdb") Do While Len(strBkp) > 0 intBkp = intBkp + 1 If (strBkp < strLowBkp) Or (Len(strLowBkp) = 0) Then ' Save the name of the oldest backup found strLowBkp = strBkp End If ' Get the next file strBkp = Dir Loop ' If more than two backup files If intBkp > 2 Then ' Delete the oldest one Kill strDir & "BackupData\" & strLowBkp End If ' Now, setup new backup name based on today's date strBkp = strDir & "BackupData\LawTrackBkp" & _ Format(Date, "yymmdd") & ".mdb" ' Make sure the target file doesn't exist If Len(Dir(strBkp)) > 0 Then Kill strBkp ' Create the backup file using Compact DBEngine.CompactDatabase strData, strBkp ' Now update the backup date db.Execute "UPDATE ztblVersion SET LastBackup = #" & _ Date & "#", dbFailOnError MsgBox "Backup created successfully!", vbInformation, gstrAppTitle End If ' See if error log has 20 or more entries If db.TableDefs("ErrorLog").RecordCount > 20 Then ' Don't ask if they've said not to... If Not (DLookup("DontSendError", "tblUsers", _ "UserName = '" & gstrThisUser & "'")) Then DoCmd.OpenForm "fdlgErrorSend", WindowMode:=acDialog Else db.Execute "DELETE * FROM ErrorLog", dbFailOnError End If End If End If Set db = Nothing End If ' Restore original keyboard behavior ' Disabled in this sample ' Application.SetOption "Behavior Entering Field", gintEnterField ' Application.SetOption "Move After Enter", gintMoveEnter ' Application.SetOption "Arrow Key Behavior", gintArrowKey

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EF is built on top of the existing ADO provider model, the EF can work against data stores other than SQL Server. If you can t wait for native LINQ support for other databases, you may want to look into the LINQ to Entities and the EF for

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