// the new model to be inserted
var order = new Orders();
// order.OrderID = AutoIncrement;
order.CustomerID = 90;
order.EmployeeID = 8;
order.OrderDate = DateTime.Now;
// order.ShipperID <= accepted its DefaultValue;
var query = Odb.SQL.Insert();
query.Add(order);
using(var exc = cn.Executer())
var affected_rows = exc.Sql(query).NonQuery();
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