public static FxFunction GetInstance() { if (_instance == null) { _instance = new FxFunction(); } return _instance; }
private void button_get_products_Click(object sender, EventArgs e) { FxFunction fx = FxFunction.GetInstance(); dataGridView.DataSource = fx.GetData("Select * from Products"); }
private void Form1_Load(object sender, EventArgs e) { FxFunction fx = FxFunction.GetInstance(); dataGridView.DataSource = fx.GetData("Select * from Categories"); }