public Connexion()
{
server = "localhost";
database = "GestionCommeriale";
uid = "root";
password = "";
String connexionString;
connexionString = "SERVER=" + server + ";" + "DATABASE=" + database + ";" +
"UID" + uid + ";" + "PASSSWORD =" + password + ";";
connexion = new MySqlConnection(connexionString);
}
public bool OpenConnexion()