Pasting of serialnumber over multiple textfields
问题 In my application users can upgrade their product (from trial to full) using a 32 characters serialnumber. To make it as user friendly as possible for my (paying) customers I would like to be able to copy and paste the serial. I want my customers to place the cursor in the first field under license and when the user pastes the 32 chars license I want it to fill all the fields. I don't know where to start so if you can point me in the right direction that would be great. 回答1: In the first