I have a two textbox in first textbox(name is txtTimePerItem) user will enter a time ,after user enters i need to calculate [60/txtTimePerItem] and display in second textbox(name is txtItemPerHour) in same min:sec(000:00) 6character format and disable the second textbox.
1. How to do Validation for first textbox to enter only in min:sec(000:00) 6character format?
2. After calculating [60/txtTimePerItem] ,again how to display result in same format in second textbox?
Thanks in advance