摘要:
Hashtable ha = new Hashtable(); Random rm = new Random(); for (int i = 0; ha.Count < 4; i++) { int number = rm.Next(1,10); if (!ha.ContainsValue(numbe 阅读全文
摘要:
分页查询 组合查询 1.用到的实体类: public class ab { public int Ids { get; set; } public string UserName { get; set; } public string PassWord { get; set; } public st 阅读全文