自定义类: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace CSharp中Dictionary排序方式 { [Serializable] public class CustmonizedClass { public string stuName { get; set; } public int
转载自:https://www.cnblogs.com/5696-an/p/5625142.html 自定义类: https://files.cnblogs.com/files/xunhanliu/d3.v4.js using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace CSharp中Dictionar
最近将一个项目从ASP.NET MVC 3升级至刚刚发布的ASP.NET MVC 5.1,升级后发现一个ajax请求出现了500错误,日志中记录的详细异常信息如下: System.ArgumentException: 已添加了具有相同键的项.(An item with the same key has already been added) 在 System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boole