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How handle sub-reports for certain criteria

I have a report that will have up to five different sub-reports.  Only one of the sub-reports will be needed based on a field on the main report.  That field name is "txtInterviewTypeID".   I am trying to use the following code in the oncurrent event of the main report but it doesn't seem to be driving which sub-report to make display.

Note that I have the sub-reports on top of each other in the detail section of the main report if that matters.

    If Me.txtInterviewTypeID = 1 Then
        Me.TechInterviewQuestionnaire.SourceObject = "subrptInterview1"
    End If

    If Me.txtInterviewTypeID = 2 Then
        Me.TechInterviewQuestionnaire2.SourceObject = "subrptInterview2"
    End If

    If Me.txtInterviewTypeID = 3 Then
        Me.TechInterviewQuestionnaire3.SourceObject = "subrptInterview3"
    End If

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SteveL13
Asked:
SteveL13
1 Solution
 
Scott McDaniel (Microsoft Access MVP - EE MVE )Infotrakker SoftwareCommented:
Reports don't have OnCurrent events, and you can't change these sorts of things in a report except in the Open event, so move your code to that event.

So can you show more than one subreport at a time? If not, then you only need one control, and you would change the Sourceobject of that control based on the value in txtInterviewID:

Select Case Me.txtInterviewTypeID
  Case 1
    Me.YourSubformControl.sourceObject = "subreport1"
  Case 2
    Me.YourSubformControl.sourceObject = "subreport2"
End Select
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SimonCommented:
Try putting your code in the  "on format" event of the detail section of main report:

if that doesn't work, rather than setting the source object for the relevant subreport, just switch their visibility, as in:

Again, code to go in the On_Format event of the detail section of the main report
  If Me.txtInterviewTypeID = 1 Then
        Me.TechInterviewQuestionnaire.visible=TRUE
        Me.TechInterviewQuestionnaire2.visible=FALSE
        Me.TechInterviewQuestionnaire3.visible=FALSE
ELSE IF Me.txtInterviewTypeID = 2 Then
        Me.TechInterviewQuestionnaire.visible=FALSE
        Me.TechInterviewQuestionnaire2.visible=TRUE
        Me.TechInterviewQuestionnaire3.visible=FALSE
ELSE IF Me.txtInterviewTypeID = 3 Then
        Me.TechInterviewQuestionnaire.visible=FALSE
        Me.TechInterviewQuestionnaire2.visible=FALSE
        Me.TechInterviewQuestionnaire3.visible=TRUE
    End If

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hnasrCommented:
I go with Scot's comment. It uses one subreport and modifies its SourceObject  as you partly mentioned in your code. The code is used in the Form Open event.

SimonAdept's comment may work, but you may need to deal with extra blank space.

Try and give your feedback.
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SteveL13Author Commented:
Using Scott's comment the report gets stuck on...
Select Case Me.txtInterviewTypeID  (RT error 2427. "You entered an expression that has no value")
I did put the suggested code in the onopen event of the report.

Simon's suggestion is working and there is no extra space probably because I put the sub-reports on top of each other in the detail section of the main report.
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SimonCommented:
Cool. I suggested what I did in case you had different sized sub-reports for the different interview types. Good use of "can grow" and "can shrink" can also help avoid blank spaces.

I also assumed that you might be printing a whole set of records with varying interview types, so you need an event that fires for the detail section of each record as the report is rendered.
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