C# Datatable 转实体对象

            DataTable dt = new DataTable();
            dt.Columns.Add("Name");
            dt.Columns.Add("Age");

            DataRow dr1 = dt.NewRow();
            dr1["Name"] = "a";
            dr1["Age"] = 1 ;
            dt.Rows.Add(dr1); 
            Student s = new Student();

            Type info = typeof(Student);
            foreach(var mi in info.GetMembers())
            {
                if(mi.MemberType==MemberTypes.Property)
                {
                    var p = info.GetProperty(mi.Name);

                    p.SetValue(s, Convert.ChangeType(dt.Rows[0][mi.Name], p.PropertyType), null);
                }
            }

 public class Student {
       [DataField("Name")]
        public string Name { get; set; }
        [DataField("Age")]
        public int Age { get; set; }
    }
    [AttributeUsage(AttributeTargets.Property)]
    public class DataField:Attribute
    {
        public string ColumnName { get; set; }

        public DataField(string columnName)
        {
            ColumnName = columnName;
        }
    }