We have several lengthy forms that are going to be used for updating records
and various data. We are also looking at recording which form fields have been
updated. Is there a means for updating only those records which have changed?
I was thinking of looping through a form collection,
The first thing that jumps out at me would be to have hidden form fields
in the form that contain the original values. Then, when you're
processing the form any value that doesn't match its corresponding
hidden value has been changed.
thanks,
eric cobb
ecar technologies, llc
Some of the answer depends on your overall architecture. The first step
would be to retrieve the relevant database record using the ID passed from
your form. That would give you, in some manner (a query record, a bean,
whatever) a representation of the existing data.
Then you could write a
After reading my answer, I realize the way I worded it may be
confusing. Here's an example.
On your form:
input type=hidden name=Val1_orig value=#val1#
input type=text name=Val1 value=#val1#
On your processing page.
cfif form.Val1 neq form.Val1_orig
!--- this element has been changed.
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