/// <summary>
/// Resets the errors.
/// Used to clean the IDataErrorInfo when GUI cancels an Insert/Update operation.
/// </summary>
private void ResetErrors()
{
// current item
OrderEntity entityToReseterrors = (OrderEntity)_ordersBinder.Current;
// reset the field errors
foreach (EntityField field in entityToReseterrors.Fields)
{
entityToReseterrors.SetEntityFieldError(field.Name, string.Empty, false);
}
// reset entity error
entityToReseterrors.SetEntityError(string.Empty);
}
/// <summary>
/// Method to validate the containing entity right before the save sequence for the entity will start. LLBLGen Pro will call this method right after the
/// containing entity is selected from the save queue to be saved.
/// </summary>
/// <param name="involvedEntity">The involved entity.</param>
public override void ValidateEntityBeforeSave(IEntityCore involvedEntity)
{
// variable to collect errors
StringBuilder sbExceptionMessage = new StringBuilder();
// order to validate. Cast depends upon the entity you are validating.
OrderEntity toValidate = (OrderEntity)involvedEntity;
#region Check validation rules.
// ** shippedDate must be >= than the orderDate
if (toValidate.ShippedDate != null && toValidate.ShippedDate < toValidate.OrderDate)
{
// add the error info to the message
sbExceptionMessage.Append(SHIPPED_DATE_ERROR_MESSAGE + DELIMITER);
}
// ** requiredDate must be >= than the orderDate
if (toValidate.RequiredDate != null && toValidate.RequiredDate < toValidate.OrderDate)
{
// add the error info to the message
sbExceptionMessage.Append(REQUIRED_DATE_ERROR_MESSAGE + DELIMITER);
}
/// ** The orders must contain at least 1 item.
/// Uncomment this if you want to enable this validation
//if (!(toValidate.OrderDetails.Count > 0))
//{
// sbExceptionMessage.Append(ORDER_DETAILS_ERROR_MESSAGE + DELIMITER);
//}
// -- add more validations --
// ...
#endregion
// get the errors collected
string strExceptionMessage = sbExceptionMessage.ToString();
// Do exist any break rule in this entity?
if (strExceptionMessage != string.Empty)
{
// set error info so we can access that outside
toValidate.SetEntityError(strExceptionMessage);
// throws an exception with all the breaking rules info
throw new ORMEntityValidationException(strExceptionMessage, toValidate);
}
}
