static void GetCustomerById()///geting singe customer details by using his/her id as primarykey///
{
System.Console.Write("Enter the customerID: ");
int CustomerId = int.Parse(System.Console.ReadLine());
CustBusiness cbl = new CustBusiness();
Customer b = cbl.GetCustomerById(CustomerId);///which cls the businesslogic of getcustomerid method///
System.Console.WriteLine(b.CustomerId + " " + b.CustomerName + " " + b.MblNo + " " + b.Email + " " + b.City + " " + b.Country + " " + b.HNo + " " + b.State + " " + b.PinNo);
}
