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Connection strings for MySQL

.NET libraries for MySQL OLE DB providers for MySQL ODBC drivers for MySQL

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MySQL Connector/Net

More info and class library downloads

Set example values

Standard

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;

Server=myServerAddress;Port=1234;Database=myDataBase;Uid=myUsername;Pwd=myPassword;

The port 3306 is the default MySql port.

The value is ignored if Unix socket is used.

Use this to connect to a server in a replicated server configuration without concern on which server to use.

Server=serverAddress1, serverAddress2, serverAddress3;Database=myDataBase;
Uid=myUsername;Pwd=myPassword;

This one activates SSL encryption for all data sent between the client and server. The server must have a certificate installed.

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;Encrypt=true;

This option is available for Connector/NET version 5.0.3 through 6.2.1. From 6.2.1 use the SslMode option instead.

Use SSL if the server supports it, but allow connection in all cases

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
SslMode=Preferred;

This option is available from Connector/NET version 6.2.1

Always use SSL. Deny connection if server does not support SSL.

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
SslMode=Required;

This option is available from Connector/NET version 6.2.1

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
SSL Mode=Required;CertificateFile=C:\folder\client.pfx;CertificatePassword=pass;

This option is available from Connector/NET version 6.2.1

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
SSL Mode=Required;Certificate Store Location=CurrentUser;

This option is available from Connector/NET version 6.2.1

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
SSL Mode=Required;Certificate Store Location=CurrentUser;
Certificate Thumbprint=479436009a40f3017a145cf8479e7694d7aadef0;

This option is available from Connector/NET version 6.2.1

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
AllowBatch=False;

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
AllowUserVariables=True;

This option is available from Connector/NET version 5.2.2

Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
AllowZeroDateTime=True;

Returns a MySqlDateTime object for invalid values and a System.DateTime object for valid values.