Hello everybody,
I got a problem with updating a List of Assistants to an event, on sharepoint; which should reach a limit (70 people).
I created an Item on a Calendar on Sharepoint 2010. One of its columns is "Number of assistants".
On the other side, I created an Inscription List, where users choose this event, and apply.
I created a Nintex Workflow on the Inscription List, which consults the Number of assistants from the Calendar. If this number of assistants is less than 70, it recalculates number of assistants by adding 1. If not, sends notification to user.
This is all working correctly.
The problem is whe many people apply at the same time (same hour and minute), then workflows are launched simultaneously. The result was that all of them got the same Number of Inscription (column at the Inscription List, equal to Number of assistants at that time); and "Number of assistants" at the Calendar, only added 1.
So where e.g. 5 applications were made, Number of assistants was only grown by 1 unity.
I supposed that Sharepoint would execute them on a ordered queue. But it doesn't.
How could I solve this?
Than you very much,
Andel