Copy specific Column data from one datatable to another

Question

I Want to copy Data-table 2 Column with data to data-table 2 

 

 data-table 1

Age	Height
5	50
6	60
7	70
8	80

 

  data-table 2 

Age	Weight
5	30
7	35

Output

 

Age	Height	Weight
5	50	30
6	60	NULL
7	70	50
8	80	NULL