Hi,
I've googled this issue to no avail until now. In my application I
have a tableview with 6 columns to enter numbers for statistic
purposes. That works fine. Yet, I've run into a problem adding the
numbers together. Under each column below the tableview I have placed
an NSLabel to show the total amount. I bind that label under Value in
the bindings panel like so:
Bind To: myArrayController
Controller Key: arrangedObjects
Model Key Path: properti...@sum.hours
But some times I need to leave a tableview cell blank and then it
writes NaN in the label. If I type in 0 (zero) it adds up the numbers
nicely. But I'd rather just leave the selection empty rather than
typing in a zero.
Any ideas how to solve the NaN issue?
--Philip
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