错误：40 - 无法打开与SQL Server的连接

问题描述

请解决我的问题

错误：

建立连接时发生网络相关或特定于实例的错误SQL Server。服务器未找到或无法访问。验证实例名称是否正确，以及SQL Server是否配置为允许远程连接。 （提供者：命名管道提供程序，错误：40 - 无法打开与SQL Server的连接）



我的电脑名称：bhargava-f794cb

Instace名称：MSSQLSERVER



什么是数据源名称

Hi,
Please solve my problem
Error:
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 - Could not open a connection to SQL Server)

My pcname:bhargava-f794cb
Instace name:MSSQLSERVER

what is the datasource name

SqlConnection conn = new SqlConnection("Data Source=MSSQLSERVER;Initial Catalog=OnlineLibrary;Integrated Security=True");

推荐答案

SqlConnection conn = new SqlConnection("Data Source=bhargava-f794cb\SQLEXPRESS;Initial Catalog=OnlineLibrary;Integrated Security=True");

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