c# - 我需要安装 microsoft sql server 还是默认安装在 Visual Studio Community 2017 中？

Question

我已经安装了 Visual Studio Community 2017。现在我想在我的应用程序中使用数据库，但我

TITLE: Error
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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) (Microsoft SQL Server, Error: 2)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=2&LinkId=20476

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ADDITIONAL INFORMATION:

The system cannot find the file specified

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BUTTONS:

OK
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我可以告诉我我做错了什么吗？

标签： c#asp.netsql-serverdatabasevisual-studio-2017

Answer 1

您必须安装 MSSQL。

MSSQL 服务器 https://www.microsoft.com/en-us/sql-server/sql-server-downloads

或者

速成版 https://www.microsoft.com/en-us/sql-server/sql-server-editions-express