datagridview如何枚举数据表中的列？

Question

更简单的问题，我如何制作自己的？

public class MyClass {//this works with DataGridView
    public int MyField1 { get; set; }
    public int MyField2 { get; set; }
}

public class MyClass {//How do I make this one work instead?
    IDictinary<string, int> MyFields { get; set; }
}