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Microsoft Dynamics CRM (Archived)

Problem LINQ

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Posted on by EnriqueMdz

1,067

Hi all,

I'm having a problem in a Plugin and it's related to a LINQ query that I'm trying to do, the code throwing the error is the next:

//'List' object is an Array of records of a Custom Entity, in this case it has 675 Record Objects and only 1 is Active

//In the line below I'm trying to retrieve all Account Id's from the records contained in 'List'. I was debugging the code and all objects has pwc_AccountId.Id as a property

var test = List.Select(bp => bp.pwc_AccountId.Id).ToList();

The error that I'm getting is:

Object reference not set to an instance of an object

I don't really understand why I'm getting this error, as long as I can see there's no Null or empty object in that line code.

Do you guys know what could be the problem here?

Thanks in advance!

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Aiden Kaskela 19,696 on at

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Hi Crm user,

You'll get that error if an item in your list doesn't have an account Id. Update it to:

var test = List.Where(bp => bp.pwc_AccountId != null).Select(bp => bp.pwc_AccountId.Id).ToList();

and you'll be good to go.

Hope this helps! I'd appreciate if you'd mark this as a Verified answer.

Thanks,

Aiden

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EnriqueMdz 1,067 on at

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As always, thanks a lot Aiden!

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