Question

Show last 5 records in Subform datasheet view

Asked by: Suburb-Man

Need SubForm to show last 5 records on open in datasheet view.
SubForm window is sized to show 6 rows; 5 last and 1 new, focus needs to be left at last/new record, because some of the columns/fields of the actively selected SubForm record is always displayed in the parent form.

The problem is: getting the form to show the 4 previous records, it only shows that last record and new record row.  In other words, how to fill up the SubForm window with records.  The User needs to see the last few records when the form opens, if they exist.

I repeat it olnly show that last two rows/records.

I've tried some creative coding:

Private Sub Form_Open(Cancel As Integer)
On Error GoTo Err_Open

    DoCmd.GoToRecord , , acLast
    SendKeys "{pgup}"
    SendKeys "{pgup}"
    SendKeys "^{DOWN}"

'=========='These caused errors when no previous records exist.=======
'    DoCmd.GoToRecord , , acLast
'    DoCmd.GoToRecord , , acPrevious
'    DoCmd.GoToRecord , , acPrevious  

Solutions greatly appreciated.



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Asked On
2006-09-11 at 15:48:53ID21985577
Tags

datasheet

,

sendkeys

,

view

,

subform

Topic

Microsoft Access Database

Participating Experts
3
Points
500
Comments
17

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Answers

 

by: capricorn1Posted on 2006-09-11 at 16:04:37ID: 17498617

you can set the sub form record source to a query that will return the last 5 records

select top 5 *
from tableName
Order By UniqueIDField Desc  

 

by: eghtebasPosted on 2006-09-11 at 22:13:38ID: 17500003

is Order By UniqueIDField Desc  okay with you?  Or you have to have sorted Asc?

Mike

 

by: eghtebasPosted on 2006-09-11 at 22:15:55ID: 17500014

If you have to have it sorted Asc and show last 5 records, then post SQL string here.

Mike

 

by: rockiroadsPosted on 2006-09-12 at 03:27:49ID: 17501224

Try this


    Dim rs As DAO.Recordset
    Dim i As Integer
    Dim bLoop As Boolean
   

    DoCmd.GoToRecord , , acLast
   
    Set rs = Me.RecordsetClone
   
    rs.MoveLast
    bLoop = True
    i = 1
    Do While bLoop = True
        If rs.BOF = True Then
            rs.MoveFirst
            bLoop = False
        Else
            rs.MovePrevious
            i = i + 1
            If i = 5 Then bLoop = False
        End If
    Loop
    If rs.EOF = False And rs.BOF = False Then Me.Bookmark = rs.Bookmark
    rs.Close
    Set rs = Nothing


 

by: eghtebasPosted on 2006-09-12 at 09:02:50ID: 17504210

Using the solution from rockiroads:
 
    ' find number of records  
    Dim rs As DAO.Recordset
    Dim i As integer

    Set rs = Me.RecordsetClone
    if rs.recordcount>=0 Then
        rs.MoveLast
        i = rs.recordcount
        ' take a way 5 from total number of records
        i = i - 5
        DoCmd.GoToRecord , , acLast, i
    end if

    rs.Close

Mike

 

by: rockiroadsPosted on 2006-09-12 at 09:20:12ID: 17504373

Yes, that is slightly more tidier than mine
I guess then u can just do ths

    Dim rs As DAO.Recordset

    Set rs = Me.RecordsetClone
    If rs.EOF = False Then DoCmd.GoToRecord , , acLast, 5

Even if u dont have 5 records, it shouldnt fail, as it wil go to the first record

   

 

by: Suburb-ManPosted on 2006-09-12 at 12:45:19ID: 17506210

Thanks all, I'm glad I was in training for most of the day, because it allowed you all to keep tweaking the solution.

Unfortunatly I get a "type missmatch #13" error on the "Set rs = Me.RecordsetClone" line.
I don't have a clue why.

========Start========
Private Sub Form_Open(Cancel As Integer)
On Error GoTo Err_Open

 Dim rs As DAO.Recordset

    Set rs = Me.RecordsetClone
    If rs.EOF = False Then DoCmd.GoToRecord , , acLast, 5

Exit_Open:
    Exit Sub

Err_Open:
    If Err.Number = "2105" Then
        Resume Next
    Else
        MsgBox Err.Description & Chr(13) & "Error #: " & Err.Number
    Resume Exit_Open
    End If

End Sub
========end========

Did I mention that this is a ADP (linked to an sql db).

 

by: rockiroadsPosted on 2006-09-12 at 12:49:39ID: 17506237

try one of two things. not sure if it matters that if its an ADP

change

Dim rs as DAO.Recordset

to

Dim rs as Object

or

go to Tools/References and check Microsoft DAO Object Library (latest version)

RecordsetClone is DAO property of the form, u wont be able to use ADO but I dont know about ADP's. Im sure its still DAO

 

by: Suburb-ManPosted on 2006-09-12 at 13:08:58ID: 17506409

Doh!

Just had to change DAO to ADODB.

works great!! :-)

Good job guys.

Hmm how to split points...
rockiroads what do you think, how much should I give eghtebas?

 

by: rockiroadsPosted on 2006-09-12 at 13:22:12ID: 17506510

talk about putting me on the spot!

I aint falling for that trap :)

I'll let u decide, look at the responses, eghtebas came up with a tidier solution from my original one, and I in turn made it even shorter!
So I'll let u go from there

And its good to know, ADP based forms RecordsetClone makes use of ADO not DAO, thanks

 

by: Suburb-ManPosted on 2006-09-12 at 13:27:45ID: 17506560

Just in case I was clear, which I'm often not as much as I think I am.

 Dim rs As ADODB.Recordset

    Set rs = Me.RecordsetClone
    If rs.EOF = False Then DoCmd.GoToRecord , , acLast, 5


BTW:  Thanks for skiping capricorn1 comment, (nothing personal cap), because I didn't want to limit the records.  They need to see at least the last few, sometimes all (~100s) before they create a *new one.
In addition, the users are accustomed to adding new records to the bottom with acending order; Oldest on top down to newest on bottom.  I don't think you can move the add new record * line to the top and change the order to desc.

 

by: Suburb-ManPosted on 2006-09-12 at 13:28:53ID: 17506574

edit above LOL
"Just in case I wasN"T clear..."

 

by: rockiroadsPosted on 2006-09-12 at 13:32:03ID: 17506597

3 lines of code to achieve what u want, and even then one is a variable declaration
not bad

 

by: eghtebasPosted on 2006-09-12 at 13:33:38ID: 17506608

I always wanted to do this in my own application but had no solution for it.

Credit goes to rockiroads with little contribution from me.

400/100 is fine with me.

Mike

 

by: rockiroadsPosted on 2006-09-12 at 13:42:52ID: 17506684

50-50 is also fine, I aint bothered either way

 

by: Suburb-ManPosted on 2006-09-13 at 07:25:14ID: 17512197

You guys are great, its refreshing to see such honesty, respect, and humility.
With I could give you both 500pts.

I'm going with the average of both your suggestions, which I calc to being 1 : .375
(62.5% 37.5) 312/188

Thanks again.


BTW:
MS Visual Basic Help states:
Recordset Property...
The read/write behavior of the Recordset property is determined by the type of recordset (ADO or DAO) and the type of data (Jet or SQL) contained in the recordset identified by the property.

Recordset type      Based on SQL data      Based on Jet data
ADO                     Read/Write                 Read/Write
DAO                     N/A                            Read/Write


 

by: rockiroadsPosted on 2006-09-13 at 09:09:35ID: 17513210

thanks !!!

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