Sys.WebForms.PageRequestManagerServerErrorException: An entity object cannot be referenced by multiple instances of IEntityChangeTracker [closed]
- by Mingebag
`Story:
I have a strange error when I try to save something I got this error message
An entity object cannot be referenced by multiple instances of IEntityChangeTracker.
I really don’t know what that is and why is it appear, it appears only when I try to save something my insert and update is working, only when I try to save something in db from…