The application could not connect to the database, please check the connection string in the web.config file and SQL server availability.
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)
Please tell me how to resolve this.
Please check your SQL connection string in web.config file, either your username/password is incorrect or your SQL services are not running in system.
This issue is also described in the documentation.
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