how to convert linq list to datatable

Question

this is my code

 

ataTable dt = new DataTable();

dt = ds.Tables[0];

var result = from r in dt.AsEnumerable()

group r by new { ID = r.Field<decimal>("ID"), time1 = r.Field<DateTime>("DATE") } into IdGroup

let row = IdGroup.First()

select new

{

ID = IdGroup.Key,

DATE = row.Field<DateTime>("DATE"),

CODE = row.Field<string>("CODE"),

NAME = row.Field<string>("NAME"),

NUMBER = row.Field<decimal?>("NUMBER"),

NAME = row.Field<string>("NAME"),

AMOUNT = row.Field<decimal>("AMOUNT")

};

var dtdata=result.ToList();

 

 how to convert datatable.

thnkx in adva