private void GetOrderBindResults(int orderID)
{
// Get the SalesOrderHeader and related SalesOrderDetails object for the order
// with the specified SalesOrderID value, overwriting local changes with
// values from the database.
ObjectQuery <SalesOrderHeader> orderQuery =
objCtx.SalesOrderHeader.Include("SalesOrderDetail")
.Where("it.SalesOrderID == @p", new ObjectParameter("p", orderID));
orderQuery.MergeOption = MergeOption.OverwriteChanges;
// Bind the SalesOrderHeader binding source to execution of the first returned object.
bindingSourceOrders.DataSource = orderQuery.First();
// Set the current order to the bound object.
currentOrder = (SalesOrderHeader)bindingSourceOrders.Current;
this.Refresh();
}