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");
}