Code Ot Working, Brings Out Null Value

Dec 8, 2006

Can anyone see why the sql code below is not working, it works up unitl

StrSQ4 = DLookup("[D Status]", "tbl_Delupdate", "[Cylinder Barcode Label]='" & Stringy1 & "'")

But when i try to get the latest date for that Cylinder Barcode as shown below it does not bring out a value

StrSQ4 = DLookup("[D Status]", "tbl_Delupdate", "[Cylinder Barcode Label]='" & Stringy1 & "'AND [Date of D Status]=#" _
& DMax("[Date of D Status]", "tbl_Delupdate", "[Cylinder Barcode Label] = '" & Stringy1 & "'") & "#")

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Access 2010. I've had to learn it at work because our DBA was let go and I was the only one willing to give it a go. Read a book or two and picked up some stuff on the internet.

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Apr 17, 2006

Hi All,

I have Header form and subform subform in it with following fields

Subform fields are :

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2. RPO_No : (Number field – Double, Duplicate OK ) The are project no.
3. ForemanNo (Number field – Long Int – Duplicate OK)

Header form fields are ;

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2.Other fields…

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641 (FOREMANNO)

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Private Sub CboRPO_AfterUpdate()
If DCount("*", "T_RPO_Footer", "RPO_No = " & RPO_No) > 0 And DCount("*", "T_RPO_Footer", "ENO = " & ENO) Then
MsgBox "RPO ALREADY ASSIGNED TO SOMEONE / FOREMAN", vbOKCancel, "WARNING!!!"
Me.Undo
Exit Sub
Else

Dim Msg, STYLE, TITLE, HELP, CTXT, Response, MYSTRING
If DCount("*", "T_RPO_Footer", "RPO_No = " & RPO_No) > 0 And DCount("*", "T_RPO_Footer", "ENO <> " & ENO) Then
Msg = "RPO ALREADY EXIST WITH OTHERFOREMAN, ASSIGN AGAIN TO ANOTHER ?"
STYLE = vbYesNo + vbInformation + vbDefaultButton2
TITLE = "!! ATTENTION !!"
HELP = "TEST FILE"
CTXT = 1000
Response = MsgBox(Msg, STYLE, TITLE, HELP, CTXT)

If Response = vbYes Then

Me.MQE_NO = Me.CboRPO.Column(0)
Me.RPO_No = Me.CboRPO.Column(1)
Me.WORKSHEET_NO = Me.CboRPO.Column(2)
Me.WORKORDER_NO = Me.CboRPO.Column(3)
Me.WORK_DESC = Me.CboRPO.Column(4)
Me.PL = Me.CboRPO.Column(5)
Me.PipeLineKM = Me.CboRPO.Column(6)
Me.DiaMeter = Me.CboRPO.Column(7)
Me.PipeLength = Me.CboRPO.Column(8)
Me.PipeLineArea = Me.CboRPO.Column(9)
Me.P = Me.CboRPO.Column(10)
Me.RPO_AMOUNT = Me.CboRPO.Column(12)
Me.INV_AMOUNT = Me.CboRPO.Column(13)
Me.Status = "WIP"
Me.StatusID = 2
Me.CboStatus.SetFocus
Else
Me.Undo
Exit Sub
End If

Else
Me.MQE_NO = Me.CboRPO.Column(0)
Me.RPO_No = Me.CboRPO.Column(1)
Me.WORKSHEET_NO = Me.CboRPO.Column(2)
Me.WORKORDER_NO = Me.CboRPO.Column(3)
Me.WORK_DESC = Me.CboRPO.Column(4)
Me.PL = Me.CboRPO.Column(5)
Me.PipeLineKM = Me.CboRPO.Column(6)
Me.DiaMeter = Me.CboRPO.Column(7)
Me.PipeLength = Me.CboRPO.Column(8)
Me.PipeLineArea = Me.CboRPO.Column(9)
Me.P = Me.CboRPO.Column(10)
Me.RPO_AMOUNT = Me.CboRPO.Column(12)
Me.INV_AMOUNT = Me.CboRPO.Column(13)
Me.Status = "WIP"
Me.StatusID = 2
Me.CboStatus.SetFocus
End If
End If
End Sub


I tried with following code also

'Dim cdn As String
'cdn = "[MQE_NO] = '" & Nz(CboRPO, "") & "'"
'cdn = cdn & " And ENO = " & ENO

'If DCount("*", "T_RPO_Footer", cdn) > 0 Then
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'Me.Undo
'Exit Sub
'Else
‘do something
‘End if

Can somebody help it please.

With kind regards,
Ashfaque

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