static void Main(string[] args)
{
// instantiate new Product object to call methods
Product p1 = new Product();
// method to create new Product table
p1.ProductCreation();
// method to insert data into Product table
p1.Insert();
//return read
p1.ReadTable();
// method to add data to table
p1.Add();
//return read
p1.ReadTable();
// method to update data in table
p1.updateTable();
//return read
p1.ReadTable();
// method to delete
p1.deleteDB();
//return read
p1.ReadTable();
Console.ReadKey();
// instantiate new customer object to call methods
Customer c1 = new Customer();
// method to create new Customer table
c1.customerCreation();
// method to insert data into Customer table
c1.Insert();
//return read
c1.ReadTable();
// method to add data to table
c1.Add();
//return read
c1.ReadTable();
// method to update data in table
c1.updateTable();
//return read
c1.ReadTable();
// method to delete
c1.deleteDB();
c1.CustomerCount();
//return read
c1.ReadTable();
Console.ReadKey();
Orders o1 = new Orders();
// method to create new order table
o1.orderCreation();
// method to insert data into order table
o1.Insert();
//return read
o1.ReadTable();
// method to add data to table
o1.Add();
//return read
o1.ReadTable();
// method to update data in table
o1.updateTable();
//return read
o1.ReadTable();
// method to delete
o1.deleteDB();
// return read
o1.ReadTable();
// calculate average
o1.AverageOrder();
Console.ReadKey();
}