how to get all listbox value and id from listbox in mvc.

Question

I have one textbox for userid and  2 to listbox 

 

step 1:first filling textbox with userid

 

step 2:  Moving left list box value to right listbox and then submit

 

when sumbit i want to get  all right listbox and textbox userid value in user id

 

I have completed till populating values in both listbox

 

Question is how to get that to controller in mvc.

 

Please help on this