Why Doesn\'t SqlConnection Work with MySQL, and How Can I Fix It?

ASP.NET uses SqlConnection to connect to MySQL

Problem:

This article introduces the use of SqlConnection to connect to MySQL, but I encountered mistake. SqlConnection is used to connect to SQL Server. A special connector is required to connect to MySQL.

Problem description:

The sample code provided uses SqlConnection to connect to MySQL, but the following error was encountered:

System.ArgumentException: Keyword not supported: 'driver'.

Problem Solution :

To connect to MySQL, you need to use MySqlConnection class, not SqlConnection. MySqlConnector is a community-developed and maintained .NET connector for connecting to MySQL.

Solution:

1. Install MySqlConnector: Install the MySqlConnector package from NuGet or another package manager.
2. Reference assembly: Reference the MySqlConnector.dll assembly in the project.
3. Create a MySqlConnection object:

MySqlConnection connection = new MySqlConnection(connectionString);

4. Use the MySqlCommand object to execute SQL Query:

MySqlCommand command = new MySqlCommand(query, connection);

Connection string example:

"Server=localhost;Database=my_database;Uid=my_user;Pwd=my_password"

Please note that you need to provide the correct connection string, including Host, database, username and password.

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