These controls must match in signature as follows: Must have the same name as the field and a 3 letter prefix. For example,
txtCompany - matches company field cmbCountry - matches the Country field
The input parameter is a generic IList value, but the type should be specifically Westwind.BusinessObjects.ValidationErrorCollection. The generic parameter is used here to avoid an assembly dependence.
public void AddValidationErrorsToBindingErrors(IList errors);