Question

rerun a query after on change event in form combobox

Asked by: Forensicon

I have a form with a combo box where a user can select a project id. After selecting the project id the user can click on 1 of 3 buttons that takes the project id selected and queries 1 of 3 tables for all responsive records. This all works fine. The selection form stays open so that the user doesn't have to reopen it to rerun a query. The problem i running into though is the user can't change the selected project id and rerun the queries. I can't figure out where to put the code to rerun the query, is it under "On Change" or "AfterUpdate" and is it associated with the combo box or the query buttons? Below is the code for the three query buttons and the sql for one of the queries run.

Private Sub SearchIntake_Click()
DoCmd.OpenQuery "PhysicalItem Query By ProjectID", acViewNormal, acEdit
 
End Sub
 
 
Private Sub SearchTransferIN_Click()
DoCmd.OpenQuery "TransferIN Query By ProjectID", acViewNormal, acEdit
End Sub
 
Private Sub SearchTransferOUT_Click()
DoCmd.OpenQuery "TransferOUT Query By ProjectID", acViewNormal, acEdit
End Sub
 
=-----------------------------------------------------------------------------
PhysicalItem Query By ProjectID
 
SELECT PhysicalItem.PhysicalItemGUID, PhysicalItem.ProjectID, PhysicalItem.ItemNumber, PhysicalItem.Type, PhysicalItem.Make, PhysicalItem.Model, PhysicalItem.SerialNumber, PhysicalItem.Notes, PhysicalItem.Custodian, PhysicalItem.Description, PhysicalItem.Location, PhysicalItem.ActiveUse
WHERE (((PhysicalItem.ProjectID)=[Forms]![_SearchByProjectID]![cboProjectID]));

                                  
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Asked On
2009-10-06 at 10:44:23ID24789785
Tags

access vba

Topics

Access Forms

,

SQL Query Syntax

,

Access Coding/Macros

Participating Experts
2
Points
500
Comments
9

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Answers

 

by: LSMConsultingPosted on 2009-10-06 at 10:55:39ID: 25507799

You'd have to close the query, then reopen it. Unfortunately, you cannot work with queries in this manner via code, which is why you should NOT show queries to the end user in this fashion. Queries should be used ONLY to build forms/reports, and should not be exposed to the end user.

So: Build 3 forms, one for each of those queries, then change your code like this:

Private Sub SearchIntake_Click()

If CurrentPRoject.AllForms("YourFormName").IsLoaded Then DoCmd.Close acForm, "YOurFormName")
DoCmd.OpenForm "YourFormName", , , "ProjectID=" & Me.cboProjectID
 
End Sub

In your queries, REMOVE the criteria that looks at _SearchByProjectID.cboProjectID ... the argument in the OpenForm method will filter the form correctly.
 

 

by: LSMConsultingPosted on 2009-10-06 at 10:56:44ID: 25507807

I wrote this:

"Queries should be used ONLY to build forms/reports"

which isn't really accurate. You also use queries to manipulate data, and to group data correctly and such. What queries should NOT be used for is User Interfaces. Use forms and reports instead.

 

by: ForensiconPosted on 2009-10-06 at 11:20:14ID: 25508073

ok here's what i have. I'm getting a syntax error:

Run-Time error '3075'
Syntax error in query expression
'ProjectID=_EXCEPTION'


NOTE: _EXCEPTION is the name of the project id i selected

Private Sub SearchIntake_Click()
If CurrentProject.AllForms("PhysicalItem Query By ProjectID").IsLoaded Then DoCmd.Close acForm, "PhysicalItem Query By ProjectID"
DoCmd.OpenForm "PhysicalItem Query By ProjectID", acFormDS, , "ProjectID=" & Me.cboProjectID
End Sub

                                              
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by: ForensiconPosted on 2009-10-06 at 12:49:06ID: 25509079

Ok, i got it to run without the syntax error but it's not pulling up any records, it just pulls up the form with a new record entry.

Private Sub SearchIntake_Click()
If CurrentProject.AllForms("PhysicalItem Query By ProjectID").IsLoaded Then DoCmd.Close acForm, "PhysicalItem Query By ProjectID"
DoCmd.OpenForm "PhysicalItem Query By ProjectID", acNormal, , ProjectID = "& cboProjectID"
MsgBox "you selected" & cboProjectID & "", vbOKOnly
 
 
End Sub

                                              
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by: calpurniaPosted on 2009-10-06 at 13:26:31ID: 25509564

So is ProjectID a text field, rather than a number?

 

by: ForensiconPosted on 2009-10-06 at 13:28:11ID: 25509582

it is a text field, i changed the where expressions to read ProjectID Like "& cboProjectID" with the same result

 

by: calpurniaPosted on 2009-10-06 at 15:00:23ID: 25510379

I think your problem lies in the quote marks. It often makes things a bit clearer if you define your Where condition on a separate line.

Dim strWhere As String
strWhere = "ProjectID='" & cboProjectID & "'"
 
DoCmd.OpenForm "PhysicalItem Query By ProjectID", , , strWhere

                                              
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by: ForensiconPosted on 2009-10-06 at 15:05:35ID: 25510419

That did it! Thanks.

 

by: ForensiconPosted on 2009-10-06 at 15:06:11ID: 31637838

Thanks for the help experts.

20120131-EE-VQP-002

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