有两个问题
Dictionary; 第一个是（如您所发现的）它没有实现必要的
IList/
IListSource。第二个原因是，没有对项目的保证顺序（实际上，也没有索引器），这使得无法通过索引（而不是键）进行随机访问。
但是…可能有些烟和镜子是可行的。如下所示：
using System;using System.Collections.Generic;using System.ComponentModel;using System.Windows.Forms;static class Program{ [STAThread] static void Main() { Dictionary<string, decimal> prices = new Dictionary<string, decimal>(); prices.Add("foo", 123.45M); prices.Add("bar", 678.90M); Application.EnableVisualStyles(); Form form = new Form(); DataGridView dgv = new DataGridView(); dgv.Dock = DockStyle.Fill; form.Controls.Add(dgv); var bl = prices.ToBindingList(); dgv.DataSource = bl; Button btn = new Button(); btn.Dock = DockStyle.Bottom; btn.Click += delegate { prices.Add(new Random().Next().ToString(), 0.1M); bl.Reset(); }; form.Controls.Add(btn); Application.Run(form); } public static DictionaryBindingList<TKey, TValue> ToBindingList<TKey, TValue>(this IDictionary<TKey, TValue> data) { return new DictionaryBindingList<TKey, TValue>(data); } public sealed class Pair<TKey, TValue> { private readonly TKey key; private readonly IDictionary<TKey, TValue> data; public Pair(TKey key, IDictionary<TKey, TValue> data) { this.key = key; this.data = data; } public TKey Key { get { return key; } } public TValue Value { get { TValue value; data.TryGetValue(key, out value); return value; } set { data[key] = value; } } } public class DictionaryBindingList<TKey, TValue> : BindingList<Pair<TKey, TValue>> { private readonly IDictionary<TKey, TValue> data; public DictionaryBindingList(IDictionary<TKey, TValue> data) { this.data = data; Reset(); } public void Reset() { bool oldRaise = RaiseListChangedEvents; RaiseListChangedEvents = false; try { Clear(); foreach (TKey key in data.Keys) { Add(new Pair<TKey, TValue>(key, data)); } } finally { RaiseListChangedEvents = oldRaise; ResetBindings(); } } }}请注意，自定义扩展方法的使用完全是可选的，并且可以在C＃2.0等中通过仅使用
newDictionaryBindingList<string,decimal>(prices)来删除。
