public static void InsertCustomer(ExtendDbContext database, Customer customer)
{
if (!string.IsNullOrWhiteSpace(customer.CompanyName))
{
database.Customers.Add(customer);
database.SaveChanges();
}
else
{
throw new ArgumentNullException("Company name is mandatory");
}
}
static void Add(string name, string id)
{
Customer newCustomer = new Customer()
{
CompanyName = name,
CustomerID = id
};
using (var db = new NorthwindEntities())
{
bool isInDB = IsInDataBase(db, id);
if (!isInDB)
{
db.Customers.Add(newCustomer);
db.SaveChanges();
Console.WriteLine("Added Successful.");
}
else
{
throw new ArgumentException("Such customer already exists");
}
}
}
