I am trying to add new input field in
sales > order > invoice . This would be like my reference number. This custom input field should be show in
sales > order >invoice &
sales > invoice & when print invoice this custom field need to get showed , New custom grid need to get added , I am currently working with this :
Can some one let me know how i need to proceed for this .
Custom field in admin panel should look like this : http://i.stack.imgur.com/BaEbb.jpg