Sometimes it is useful to know if a key field(s) has changed value during a document edit before you save the document. You may need to perform some additional processing if a field has changed or you need to properagate the changed value to other documents.
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Assuming 'DocumentTitle' is the field on the form that we are interested in (we can apply this to more than one field if needed).
Create a hidden, Computed for Display text field at the top of the form, called 'OldDocumentTitle' Formula; @If( @IsNewDoc; DocumentTitle; @IsDocBeingLoaded; DocumentTitle; @IsDocBeingSaved; DocumentTitle; OldDocumentTitle )
Create a second hidden, Computed for Display number field at the top of the form, called 'HasTitleChanged' Formula; OldDocumentTitle != DocumentTitle
(you could also make it case-insensitive by wrapping both sides of the above test in @Lowercase)
this field will be return; true - if the value for 'DocumentTitle' has changed since last save false(0) - if document is un-saved (new) or 'DocumentTitle' has the same value as when last saved
We can then use this in the QuerySave form event;
LotusScript; Call Source.Refresh() ' will kick off validation and refresh computed fields If ( Source.FieldGetText( "HasTitleChanged" ) ) Then 'call a change routine