URgent Can We merge two collection into 1

Hello,

i had two datatale with 1 column
i had to add (join) theme into one datatable
the merge datatable did not allow this

dt1 C1
1
2
dt2 C2
3
4

Finale DT C1 C2
1 3
2 4

Check join two datatable in the end .
jointable.xaml

hello [syedabidraza]
i had tested the join methodology but i got the following error when specifying the primary key:

exception has been thrown by the target of an invocation

the code is attachedÉTAPE 11.xaml (31.5 KB)