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02.28.2008 at 06:18PM PST, ID: 23202674
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8.1

How do I use a sub-orm in an unbound form in MS Access

Asked by john_paterson_kbc in VB Database Programming, Microsoft Access Database, Access Forms

Tags: ,

Hi,
I am working towards migrating the back-end of a multi-user Microsoft Access 2003 application (forms reports queries etc currently in a front end mdb which links to tables in a shared back-end mdb residing on a server) to Microsoft SQL server but continue to use an MS access front-end.

In preparation prior to the migration I am trying to implement forms that will only query for the required data thus reducing network traffic. For example I have tried to implement an unbound events form (for viewing and editing) that contains an Active-X calendar object for date selection and a sub-form whose default view is datasheet view for displaying events on that date. The sub-form data source is a saved query which I change in vb. The form defaults to viewing todays data but can be changed via the calendar and a command button.

Can you help I am having two problems? The first is that most of the time (but not always) the on initial access with the correct data displayed the form locks with Calculating displayed on the status bar. The second one is that when the first issue doesnt occur I then get Object doesnt support this property or method on either the Me![frmEventReservationsSubform].Refresh and/or Me.Requery lines in Sub SelectButton_Click().Start Free Trial 
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Private Sub Form_Load()
    Dim rssql As String
    Dim dbsCurrent As Database
    Dim qryToUpdate As QueryDef
 
    'Create a new instance of the class,
    'and set the class's Form property to
    'the current form
    Set clsMouseWheel = New CMouseWheel
    Set clsMouseWheel.Form = Me
 
    'Subclass the current form by calling
    'the SubClassHookForm method in the class
    clsMouseWheel.SubClassHookForm
    
    Me![FormHeaderLabel].Caption = SName & " Event Reservations"
    
    Me![Event_dt_Link].Value = DateValue(Now())
    Me![Calendar1].Value = Me![Event_dt_Link]
    Me![SpecialDateName].Value = GetSpecialDateName(Me![Event_dt_Link])
 
 Update the subform query
    rssql = "SELECT tblEvent.* FROM tblEvent WHERE tblEvent.Event_dt = #" & Me![Event_dt_Link] & "#;"
    Set dbsCurrent = CurrentDb
    Set qryToUpdate = dbsCurrent.QueryDefs("qryEventReservationsSubform")
    qryToUpdate.sql = rssql
 
    DoCmd.Maximize
    Me!Calendar1.SetFocus
    
    Set qryToUpdate = Nothing
    Set dbsCurrent = Nothing
 
End Sub
 
And
 
Private Sub SelectButton_Click()
Dim rssql As String
Dim dbsCurrent As Database
Dim qryToUpdate As QueryDef
 
On Error GoTo Err_SelectButton_Click
 
    Me![Event_dt_Link] = Me![Calendar1].Value
    Me![SpecialDateName].Value = GetSpecialDateName(Me![Event_dt_Link])
    rssql = "SELECT tblEvent.* FROM tblEvent Where tblEvent.Event_dt = #" & Me![Event_dt_Link] & "#;"
    Set dbsCurrent = CurrentDb
    Set qryToUpdate = dbsCurrent.QueryDefs("qryEventReservationsSubform")
    qryToUpdate.sql = rssql
 
    Me![frmEventReservationsSubform].Refresh
    Me.Requery
 
    Set qryToUpdate = Nothing
    Set dbsCurrent = Nothing
    
Exit_SelectButton_Click:
    Exit Sub
 
Err_SelectButton_Click:
    MsgBox Err.Description
    Resume Exit_SelectButton_Click
    
End Sub
[+][-]02.28.2008 at 06:47PM PST, ID: 21010315

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[+][-]02.28.2008 at 07:23PM PST, ID: 21010512

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[+][-]02.28.2008 at 07:45PM PST, ID: 21010657

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[+][-]02.28.2008 at 08:00PM PST, ID: 21010730

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[+][-]02.28.2008 at 08:03PM PST, ID: 21010744

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[+][-]02.28.2008 at 08:13PM PST, ID: 21010782

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[+][-]02.28.2008 at 08:17PM PST, ID: 21010798

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[+][-]02.28.2008 at 09:02PM PST, ID: 21011030

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[+][-]02.29.2008 at 03:40AM PST, ID: 21012408

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About this solution

Zones: VB Database Programming, Microsoft Access Database, Access Forms
Tags: MS Access VB, Object doesn't support this property or method
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Solution Provided By: LSMConsulting
Participating Experts: 2
Solution Grade: B
 
 
 
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