How to make C# DataTable filter

Question

my datatable;

    dtData

    ID | ID2
    --------
    1  |  2
    1  |  3


dtData.Select(\"ID = 1\"); one more rows;

i want row \"ID = 1

Answer 1

DataTable dt2 = dt.Select("ID = 1").CopyToDataTable;

make sure dt has rows in it