Problem setting custom order field

order.Save(order.ID); The same applies to setting product fields. Here is the submethod: private static void SetOrderField(Order order, string fieldName, object value) { if (order.OrderFieldValues == null) { order.OrderFieldValues = new OrderFieldValueCollection(); } OrderFieldValue fieldValue = order.OrderFieldValues.GetOrderFieldValue(fieldName); OrderField newField = null; if (fieldValue == null) { fieldValue = new OrderFieldValue(); foreach (OrderField field in OrderField.getOrderFields()) { if (field.Name == fieldName) { newField = field; break; } } } fieldValue.OrderField = newField; order.OrderFieldValues.Add(fieldValue); fieldValue.Value = value; }

Hi Per,

Maybe the field is actually named something else and does not match "Ordernumber"? That would cause your field value to be created without a field.

Is name and systemname identical on all of your order fields?
First you try to get the field value by systemname - order.OrderFieldValues.GetOrderFieldValue(fieldName);
And later you try to find the field by name (not systemname) - if (field.Name == fieldName)

You can try this...

        public static void SetOrderFieldValue(Order order, string systemname, object value)
        {
            var orderFields = OrderField.getOrderFields();
            if (!orderFields.Contains(systemname))
            {
                // the field does not exist. you need to create in in management center (or programmatically)
                throw new ArgumentException(systemname, "systemname");
            }
            
            var val = order.OrderFieldValues.GetOrderFieldValue(systemname);
            if (val != null)
            {
                // field value exists. just change the value (maybe add validation to make sure you are not setting a text value on a date field or something like that?)
                val.Value = value;
            }
            else
            {
                // field value does not exist. find the correct field and add new field value to the order.
                foreach (OrderField field in orderFields)
                {
                    if (!field.SystemName.Equals(systemname, StringComparison.OrdinalIgnoreCase)) continue;

                    val = new OrderFieldValue(field, value);
                    order.OrderFieldValues.Add(val);

                    break;
                }
            }
        }

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Problem setting custom order field

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