using System; using System.Collections; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Text; using System.Threading.Tasks; public abstract class DbHelperSQ
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Collections; namespace hashTableTest { class Program { static void Main(string[] args) { Hashtable ht = new Hashtable(); //哈希表元素的添加 ht.Add(1, "星期一"