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Asked: 2026-05-23T21:04:40+00:00

I want to connect to an online SQL database. to do that, I use

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I want to connect to an online SQL database. to do that, I use this code:

SqlConnection conn = new SqlConnection("Data Source=77.243.225.193;User ID=rune;Password=secret;database=test");
conn.Open();
Textbox.Text = "ServerVersion: " + conn.ServerVersion.ToString() + "\n\r";
Textbox.Text = "State: " + conn.State.ToString();

I just got the code from the internet, since this is my first time using this.
Somehow this does not work because it says that it can’t connect to the database. Can anyone explain me why?

Thanks!

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1 Answer

  1. Editorial Team

    Run throug a series of tests and check off the ones that past:

    1. Is 77.243.255.139 a valid address? Can you ping it?
    2. Does the Sql Server @ the IP address require a connection on a specific port, e.g. 77.243.255.139,1724?
    3. Is test a valid name of a database that is online and mounted on the server?
    4. Is rune a valid SQL login for the server?
    5. Does rune have the appropriate permissions to access the test database?
    6. Is the password correct?

    There are obviously a myriad of reasons why you might not be able to connect, what exact error message are you getting?

    UPDATE: based on your last comment, you saying you use phpMyAdmin… Which is a management tool for MySql databases (someone correct me if I am wrong)?

    If it is a MySql database, you need to be using MySql ADO.NET Connector along with a valid MySql connection string. Check http://www.mysql.com/products/connector/

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