how to convert datatable into different form of datatable in c#

Question

I have A datatable and want to convert in below datatable 

Id	Gp	SId	Activity	Ua
1	2	15	Helmet	4
2	3	16	Guard	5
3	6	17	Mask	8

 

Expected datatable Result:

Helmet_GP	Helmet_SId	Helmet_Activity	Helmet_Ua	Guard_Gp	Guard_SId	Guard_Activity	Guard_Ua	Mask_Gp	Mask_Sid	Mask_activity	Mask_Ua
2	15	Helmet	4	3	16	Guard	5	6	17	Mask	8