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Total Control of Lookups
Posted: 08 Apr 06 6:01 AM
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fiogf49gjkf0d With this site there is a thread called Total Control ..."
Amongst the answers is L
If Not Lookup Is Nothing Then
'...
End If
Can you please elabortate on this. I am trying to prevent the SLX error when a user cancels a lookup. In fact I would ideally like to cancel the opening of the looku at all - if other data fails a test.
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Re: Total Control of Lookups
Posted: 12 Apr 06 2:40 PM
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amlodipin teva amlodipin sandoz open fiogf49gjkf0d Hi Mike,
The code you metion is to test an object returned by LookupItemWithConditionByID. There was a comment made about an error being raised when the ID property was accessed from the object when the lookup was cancelled (the object returned was null). The code you mention is an attempt to check for a valid object (ie: the lookup was not cancelled) returned by the function. You could also use (as was also suggested in the comments of that article) to use TypeName, such as:
If TypeName(Lookup) = "Link" Then
id = Lookup.ID
End If
However, another thing you could try is just to add an On Error Resume Next, check for a value returned by the ID property, if blank do nothing (and the On Error Resume Next would prevent the error if the object is null). |
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