public async Task<Customer> UpdateCustomer(Customer customer)
{
_dbContext.ApplyChanges(customer);
try
{
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException updateEx)
{
throw new FaultException(updateEx.Message);
}
await _dbContext.LoadRelatedEntitiesAsync(customer);
customer.AcceptChanges();
return customer;
}
public async Task<Customer> CreateCustomer(Customer customer)
{
customer.TrackingState = TrackingState.Added;
_dbContext.ApplyChanges(customer);
try
{
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateException updateEx)
{
throw new FaultException(updateEx.Message);
}
await _dbContext.LoadRelatedEntitiesAsync(customer);
customer.AcceptChanges();
return customer;
}
private static void PrintCustomer(Customer c)
{
Console.WriteLine("{0} {1} {2} {3}",
c.CustomerId,
c.CompanyName,
c.ContactName,
c.City);
}