如何将linq查询的结果转换并分配给数据表？

This is my code

这是我的代码

    var s = from p in db.tblTotalFees
                where p.Class == ClassDropDownList.SelectedItem.Value && p.StudentID == Convert.ToInt32(StudentNameDropDownList.SelectedValue)
                select p;
        DataTable dt = new DataTable();
    var s = from p i