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C# - Lambda make Nullable<Int> = null if value is 0?

Posted on 2013-06-13
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Last Modified: 2013-06-21
Hello all,

I have a property that I want to see if the value is 0 make it null.  How do I do that?  I have the one past making the value = 0 when null but then I need to revert back.

This is the first way making it 0:
 BusinessGroupID = entity.BusinessGroupID.GetValueOrDefault(0),

Need to go the other way now.
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Question by:sbornstein2
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Ioannis Paraskevopoulos earned 620 total points
ID: 39244994
I think what you need is something like:

C#:
BusinessGroupID = entity.BusinessGroupID.GetValueOrDefault(0)==0?null:entity.BusinessGroupID

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VB:
BusinessGroupID = If(entity.BusinessGroupID.GetValueOrDefault(0)=0,System.DBNull.Value,entity.BusinessGroupID)

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Giannis
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Author Closing Comment

by:sbornstein2
ID: 39266106
sorry for the delay this was perfect thanks
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