Hi, 

I had a grid view with the edit button, however I would like that 

*Data inseted from 8h00 to 14h00 be editable only in this time intervall

*at 14h to 8h00, old data are no more editable, but data inserted at this time (14h-8h) is still editable untill 8h00

*etc...

Can Anyone help me with this ?