Try (Connection connection = DriverManager. Replace server name, username, and password with your credentials Use the connection class to connect to SQL Database. The sample code is simplified for clarity, and doesn't necessarily represent best practices recommended by Microsoft. just telling it from my humble experience in that field.This example should be considered a proof of concept only. notebook from home) consider connecting to VPN first and then connect to DB from your app using private address.Īnyway, if you still want to connect using public address you might need to forward port 1433 to the machine hosting Sql server.Īgain, I'm not a network expert or anywhere close to it. If you don't have a client-server architecture and need to connect to DB from a computer that's not in LAN (e.g. Usually application server is on the same machine or same LAN as the SQL server. I'm not an networking expert, but why would you want to access SQl server using the public address ? OK, your private address is something likeĪnd by public address you mean the address of the router ? This is going to sound really stupid, I was messing around with my firewall to disable it to test, and I ran into the private IP address of the computer, I put that in as the Server Name and the Connection Works fine.ĭo I have to do something special to connect to the external IP of a computer that has a private IP? I downloaded it and put it in there but it didnt help.ĭoes anyone have any idea if it is because something might be wrong with my connection string or something else? The only thing I noticed was that I did not have the DBMSSOCN.DLL file in my windows/system32 folder. To get started we need to install certain packages and MS SQL Server Node.js must be installed in the local system. (provider:TCP Provider, error:0 - The requested name is valid, but not data of the requested type was found.)" Here, We are representing the connection of the MS SQL Server database using JavaScript in Node.js environment. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. THe server was not found or was not accessible. "A network-related or instance-specific error occurred while establishing a connection to SQL Server. When I do I get the following Error:įailed to open a connection to the database If I go to add a datasource to a Drop Down List, I click Add Project Source -> Select Database-> Click Next -> Select Dataset -> Click Next -> Select my connectionString(Settings) and click next.
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