Question

Access Query from Form Data

Asked by: Sariff

Experts - I am having trouble getting the data to feed to the below query from a Form. If I enter the criteria directly it works fine.

SELECT TBL_MAIN.PH_NUM, TBL_MAIN.EE_STATUS
FROM TBL_MAIN
WHERE (((TBL_MAIN.PH_NUM)=[Forms]![frmPolicyData]![txtPOL_NUM]));

                                  
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Asked On
2009-04-07 at 08:02:43ID24302268
Topic

Microsoft Access Database

Participating Experts
3
Points
500
Comments
12

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Answers

 

by: TextReportPosted on 2009-04-07 at 08:11:32ID: 24088153

Can you please check the exact spelling of the form name and that it is open at the time you are running the query.
Can you please check the exact name of the control on the form.

Other than that it looks correct, does it prompt you for a value? Is so then either the form is not open in FORM or DATASHEET view or the control name is wrong.

Cheers, Andrew

 

by: capricorn1Posted on 2009-04-07 at 08:12:11ID: 24088163

is the form "frmPolicyData" open when you are running the query? it should be.

 

by: eghtebasPosted on 2009-04-07 at 08:17:31ID: 24088226

Use the SQL below. Also add following in a module:

Function  fnPH_NUM() As Variant
On Error GoTo 10

If Nz([Forms]![frmPolicyData]![txtPOL_NUM],"")="" Then
    fnPH_NUM() ="<All>"
Else
   fnPH_NUM() =Forms]![frmPolicyData]![txtPOL_NUM]
End IF

Exit Function
10:
    fnPH_NUM() ="<All>"
End Function

Mike

SELECT PH_NUM, EE_STATUS FROM TBL_MAIN WHERE PH_NUM= iif(fnPH_NUM()="<all>",[PH_NUM],fnPH_NUM());
                                              
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by: eghtebasPosted on 2009-04-07 at 08:24:31ID: 24088309

Also make sure the MsgBox (Forms]![frmPolicyData]![txtPOL_NUM],"<All>") returns the expected value. Remve it after a test.

Function  fnPH_NUM() As Variant
On Error GoTo 10

MsgBox (Forms]![frmPolicyData]![txtPOL_NUM],"<All>")   'Remve it after a test

If Nz([Forms]![frmPolicyData]![txtPOL_NUM],"")="" Then

   fnPH_NUM() ="<All>"

Else

  fnPH_NUM() =Forms]![frmPolicyData]![txtPOL_NUM]

End IF

Exit Function
10:
   fnPH_NUM() ="<All>"
End Function

 

by: eghtebasPosted on 2009-04-07 at 08:25:19ID: 24088317

coorection...

MsgBox Nz((Forms]![frmPolicyData]![txtPOL_NUM],"<All>")   'Remve it after a test

 

by: SariffPosted on 2009-04-07 at 08:39:12ID: 24088486

Text/Cap: The form was open during the executing of the SQL...
eghtebas: Your fuction return the correct value...

 

by: eghtebasPosted on 2009-04-07 at 08:42:20ID: 24088525

re:> Your fuction return the correct value...

Is the problem solved?

Mike

 

by: SariffPosted on 2009-04-07 at 08:50:54ID: 24088642

Unfortunately, no...

I need the SQL to take the input from a cotnrol on a form for use in a DELETE query. I am testing it in SELECT.

 

by: TextReportPosted on 2009-04-07 at 08:53:43ID: 24088672

"The form was open during the executing of the SQL..." therefore it goes to how you are running the SQL
If you are opening a DAO recordset from the query then you use the PARAMETERS of the QueryDef object to assign the values to the FORMS reference.
Cheers, Andrew

Dim db As DAO.Database
Dim qd As DAO.QueryDef
Dim rs As DAO.Recordset
Dim cnt As Long
 
    Set db = CurrentDB
    Set qd = db.QueryDefs("MyQuery")
    For cnt = 0 to qd.parameters.count -1
        qd.parameters(cnt) = Eval(qd.parameters(cnt).Name)
    Next cnt
    Set rs = qd.OpenRecordSet()

                                              
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by: TextReportPosted on 2009-04-07 at 08:58:22ID: 24088734

If it is a DELETE wuery then you can do a
    qd.execute dbfailonerror
Cheers, Andrew

PS As requester it would help if you confirmed how you are running the SQL

 

by: eghtebasPosted on 2009-04-07 at 09:00:28ID: 24088755

re:> I need the SQL to take the input from a cotnrol on a form

Do you mean from:  Forms]![frmPolicyData]![txtPOL_NUM]

If not, what control you mean?

Re:> use in a DELETE query

If you want to delete, use

CurrentDB.Execute "Delete * From TBL_MAIN Where PH_NUM = fnPH_NUM();"

With:

Function  fnPH_NUM() As Long
On Error GoTo 10

If Nz([Forms]![frmPolicyData]![txtPOL_NUM],"")="" Then

  fnPH_NUM() =91919191

Else

 fnPH_NUM() =Forms]![frmPolicyData]![txtPOL_NUM]

End IF

Exit Function
10:
  fnPH_NUM() 91919191
End Function  

Assuming fnPH_NUM is long and never is equal to 91919191

 

by: SariffPosted on 2009-10-30 at 08:39:28ID: 31567553

Thanks

20120131-EE-VQP-002

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