Tagged Questions

0
votes
0answers
180 views

List validation using additional lookup column

Here's what I'm trying to do: In our company we have some bookable resources, like laptops and lab machines. All of them can be booked to work on one of our projects created by project leaders. While ...
2
votes
1answer
983 views

Validate a date column against a lookupfields additional column

In a list you can create a lookup column which queries data from an other list, the fun part is that you can add "additional columns" which results in some sort of ghost column which is added to the ...