How do you use BeforeProcessChange DeltaChangeEventArgs.CanRemove in business processor

Data Abstract
1

How do you prevent an update (delete) via business processors?

I found the CanRemove property in DeltaChangeEventArgs and specified that in my BP
if (e.DeltaChange.Type == RemObjects.DataAbstract.ChangeType.Delete)
{
int oldKey = (int)e.DeltaChange.OldValues[fieldnameKey];
if (recordIsRefernced(oldKey))
e.CanRemove=false;

However the record still got deleted

I searched for CanRemove in the .cs files in C:\Users\Public\Documents\RemObjects Samples\Data Abstract for .NET\C# but found nothing

I searched for CanRemove in the docs but I find a lot of irrelevant (non C# info)

image
image1182×751 52.2 KB

What is the best way to learn what CanRemove does?

And back to my original question: What is the best way to prevent a DB modification using a server side business processor.

2

FYI: Meanwhile I found Business Processors which teaches me about blocking the modification but the CanRemove still is not clear to me

3

Hi,

you can just raise exception for blocking change in correspondent event.

CanRemove - remove or keep successful delta change. by default, we remove successful delta change for reducing network traffic.

read more at Updates article

4

Thanks, the documentation was indeed there,
It would be good however if I could filter the search results so it only shows .NET API, is that possible?

5

Hi,

it can do search on all pages only