var builder = new MySqlConnectionStringBuilder
 {
 Server = "localhost",
 Port = 3306,
 UserID = "root",
 Password = "root",
 Database = "DemoProject",
 Pooling = true,
 };
 var connection = new MySqlConnection(builder.ConnectionString);
 connection.Open();
 var command = connection.CreateCommand();
 command.CommandText = "Insert into user(Id, Name, Password) values('1', 'www', 22222);";
 var reader = command.ExecuteNonQuery();
 
 this is simple code that i wrote.
 im using Openserver MySql db.