First, your Action is accepting only one Order. Try making you Action as below:
[HttpPost]
public ActionResult Create(List<orders> orders)
{
try
{
}
catch (DataException)
{
}
}
</orders>
Then do this:
[HttpPost]
public ActionResult Create(List<orders> orders)
{
try
{
foreach(var o in orders)
{
db.Order.Add(o);
}
}
catch (DataException)
{
}
}
</orders>