Hi @Dmitri00007 ,
Input

Output
Code
dt.AsEnumerable.Select(Function(x) x("Invoice").ToString+"_"+x("AMOUNT").ToString).ToArray
Thanks,
Hi @Dmitri00007 ,
Input

Output
Code
dt.AsEnumerable.Select(Function(x) x("Invoice").ToString+"_"+x("AMOUNT").ToString).ToArray
Thanks,