How to merge two same column datatable cells in one cell with comma sepreated in c#? : I have tow datatable with the same column like:- 

input datatable1- Column1	Column2	  Column3
                   Aa	     Bb	       Cc
                   Dd	     Ee	       Ff
input datatable2- Column1	Column2	  Column3
                   Gg	     Hh	       Ii
                   Jj	     Kk	       Ll
I need output table like:- 

Column1	         Column2	       Column3
Aa,Gg	          Bb,Hh	            Cc,Ii
Dd,Jj	          Ee,Kk	            Ff,Li


Thanks in advance for help!

