public void BulkUpdate(Account account)
{
var accountEntity =
Context.Accounts.SingleOrDefault(a =>
a.Name == account.Name);
if (accountEntity == null)
{
var accountQuery = new AccountQuery(Context);
account.Id = accountQuery.Create(account);
}
else
{
account.Id = accountEntity.Id;
}
foreach (var opportunity in account.Opportunities)
{
opportunity.AccountId = account.Id;
BulkUpdate(opportunity);
}
}