//Two constructors one is needed if we log out the other for basic log in
//every button must call a function of the class that controlls it : required by Prof
public Form1()
{
InitializeComponent();
db1 = new Database();
db1.init();
auth1 = new Auth(db1);
}
public Form1(Database db1)
{
this.db1 = db1;
InitializeComponent();
auth1 = new Auth(db1);
}