static void UpdateCustomer()///updating customer details by using customerid as primary key///
{
CustBusiness cbl = new CustBusiness();
Customer c = new Customer();
Console.Write("Enter Existing customer ID: ");
c.CustomerId = int.Parse(Console.ReadLine());
Console.Write("enter customer name");
c.CustomerName = Console.ReadLine();
cbl.UpdateCustomer(c);
Console.WriteLine("Customer Updated");
}
