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GPDeath
 Post subject: Nullable types and MSSQL identity column
PostPosted: Thu Sep 22, 2005 5:09 am 
Hi!

I have a problem saving new object to database. Object's ID property is of type NullableInt32 and for new objects it is null. Now, when I try to save this object I get error that there was invalid cast exception when casting from System.Decimal to Nullables.NullableInt32.

But, I am able to retrieve such objects from database without problems. How to resolve this issue?

With best regards,
Gunnar Peipman
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GPDeath
 Post subject: Column in database
PostPosted: Thu Sep 22, 2005 5:11 am 
Sorry. I forgot to mention that column in database is of type int and it is identity column.
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sergey
 Post subject:
PostPosted: Thu Sep 22, 2005 7:14 am 
Contributor
Contributor

Joined: Wed May 11, 2005 4:59 pm
Posts: 1766
Location: Prague, Czech Republic
Nullable ints are not supported as identity identifiers currently. See NH-306 in JIRA.
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