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How do I get an incremental counter on the added subforms after pressing the "Add" button

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I have a numeric field set up with default set to 1, when I press the  "Add" button a new version of the subform is added after.  My numbering is all messed up.  If I press the add button, the first subform becomes 2 and the added one stays 1.  When I press the add button on the second version of the subform, subform 1 becomes "3", subform 2 becomes "2" subform 1 becomes "1".  But if I press the add button on subform 1 again, subform 1 stays "2", subform 2 says "2" and subform 3 says "1"

 

My "Add" button coding is

 

 

_Subform.addInstance(1);

 

 

 

Subform.NumericField.rawValue =

 

parseInt(Subform.NumericField.rawValue) + 1;

 

 

My delete button coding is

 

 

Subform.removeInstance(_Subform.count-1);

 

It's set like this to always remove the "last" subform, but might be worthwhile to be set up to remove "that" instance of the subform but I don't know how to do that.  Can anyone help?

 

 

 

 


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