Quick question that I can't find a solution to:
I have an ADP application that uses SQL Server 2000 backend, along with stored procedures that populate my forms. I do not want to use subforms for various reasons, so my data is loaded into a single form (record source is a stored procedure, and the form's InputParameters are changed depending on the data to load, pretty standard).
However, if no records are returned by the procedure, all the controls in the Detail section of the form are hidden. This wasn't a problem when I used subforms because I had navigation controls on the parent, and those weren't impacted.
However, now all my navigation controls are in the detail section of the form, so if records are not returned all the controls are hidden and I can't use any of the controls I need to modify the parameters to return a valid record set.
Anybody come across this before and have a fix? Such as making the form display the controls with Null data in the event no records are returned from the stored procedure?
12  3151 
Usually you see this when no records are returned and AllowAdditions Property for the form is set to No. Is that the case here? If so, can you set AllowAdditions to Yes?
Welcome to TheScripts!
Linq ;0)>
AllowAdditions is set to NO currently.
I do not want to allow additions to the recordset that i'm displaying though, which is why it's set to NO.
I fixed it!
I added the following to the Form's BeforeInsert property: - Private Sub Form_BeforeInsert(Cancel As Integer)
-
Cancel = True
-
End Sub
Now the form loads with blank controls that can't be edited, then can be edited once a valid recordset is loaded.
Take it back, I thought I fixed it.
Suddenly not working again :(
So, when you do have a valid recordset loaded, you never need to enter new records thru this form?
Linq ;0)>
Correct, this record set is for viewing and updates only.
No deletes or additions on this form.
Not good enough unfortunately, it's still not working consistently :/
I don't have time to thouroughly test this and, in truth, don't know all the ins and outs of what you're doing, but I think this will work for you. Leave AllowAdditions set to Yes. Now use this code:
- Private Sub Form_Dirty(Cancel As Integer)
-
If RecordsetClone.RecordCount < 1 Then
-
MsgBox "You must pick new parameters for record retrieval"
-
Cancel = True
-
Else
-
Me.AllowAdditions = False
-
End If
-
End Sub
Even with an empty recordset, the controls will remain visible, but if a user tries to enter a new record, they'll get the message telling them they need to pick new criteria for displaying records. You can, of course, change the message to suit your needs. When a valid recordset exists, the AllowAdditions will be set to False if the user tries to enter a new record.
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