How to have multiple values in select box

[Stella5]

I want to have these type of value in select box .How to do this ?

[Rakesh Mamidi]

Please mark as answer,which would help others to find a solution.

[Stella5]

its not working

[Rakesh Mamidi]

What is the issue ?

[Stella5]

THis is my field settings and its howing like this :-

I want to have multiple values from a table in a   one row

[Rakesh Mamidi]

In Lookup label fields , you need to provide field elements of   assignment subservice.

eg: u_service,u_sub_service