1. C# 使用ADO.NET连接SQL Server示例代码 usingSystem;usingSystem.Data.SqlClient;namespaceSqlServerRemoteConnection{classProgram{staticvoidMain(string[]args){stringconnectionString="Server=your_server_ip_or_name;Database=your_database;User Id=your_username;Password=your_password;";using(SqlConnectionconn...
现在,SQL Server已经配置为允许远程连接。 2. 示例代码 下面是一个示例代码,演示如何从本地计算机连接到远程的SQL Server实例。 usingSystem;usingSystem.Data.SqlClient;namespaceRemoteConnectionExample{classProgram{staticvoidMain(string[]args){stringconnectionString="Data Source=remote_server;Initial Catalog=datab...
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40...
1.An error has occurredwhileestablishing a connection to the server. When connecting to SQL Server2008,thisfailure may be caused by the fact that under thedefaultsettings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error:28– Server doesn’t support requested ...
By default, SQL Server 2005 doesn’t allow remote connection so you have to enable it manually. If you try to connect to remote SQL Server without enable remote connection first, you’ll see one of these error messages. ...
您可以使用 DAC 執行診斷功能或 Transact-SQL 陳述式,或針對伺服器上的問題進行疑難排解,即使伺服器遭到鎖定或在異常狀態下執行,而且未回應 SQL Server 資料庫引擎連線時也是如此。 依預設,只能從伺服器上的用戶端應用程式使用 DAC。 若要讓遠端電腦上的用戶端應用程式使用 DAC,請使用 sp_configure 的remote admin...
在cpolar的预留页面,我们找到保留的TCP地址栏位,为我们要连接的SQL Server设置一个公网地址,这个地址可以看做是数据隧道的入口,也可以理解为空白数据隧道(毕竟这里设置的隧道入口还没有关联本地软件的输出端口)。 在保留的TCP地址栏位,我们只要进行两项简单的设置: ...
了解如何在服务器级别查看或配置远程服务器连接选项。 可以使用 SQL Server Management Studio 或 Transact-SQL 实现此目的。
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error:...
https://www.microsoft.com/zh-cn/sql-server/sql-server-downloads 1.2 选择基础安装 1.3 点击接受 1.4 选择默认路径然后等待安装 1.5 选择立即连接 1.6 出现这个表示成功 2. 将本地sqlserver服务暴露至公网 接下来使用cpolar实现在公网环境下远程连接局域网sqlserver。