摘要: 首先通过NuGet下载signalr包在工程下新建一个类,继承Hub public class DemoHub:Hub { public class Users { public string ConnectionId { get; se... 阅读全文
posted @ 2015-07-01 15:56 captain_gao 阅读(748) 评论(1) 推荐(1) 编辑
摘要: 比如在Northwind数据库中有一个查询为SELECT c.CustomerId,CompanyName FROM Customers cWHERE EXISTS(SELECT OrderID FROM Orders o WHERE o.CustomerID=c.CustomerID)这里面的EX... 阅读全文
posted @ 2014-12-26 12:12 captain_gao 阅读(140) 评论(0) 推荐(0) 编辑