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I'm using Azure Cosmos DB .NET SDK Version 3.0 and I want to create container programmatically without partition key. Is it possible? I always got error saying Value cannot be null. Parameter name: partitionKey

I use method CosmosContainers.CreateContainerIfNotExistsAsync

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  • Hi,does my answer helps you? Commented Mar 21, 2019 at 1:15
  • Seems like it. As long as it is not a bad idea to have primary key as a partition key, it's okay. And cross-partition queries are still doable. Thanks for your effort! Commented Mar 21, 2019 at 13:19
  • Hi,if my answer is helpful, you could accept it for answer.Thanks a lot. Commented Mar 25, 2019 at 0:48
  • Done. Thank you! Commented Mar 25, 2019 at 9:31

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Reproduce your issue on my side always.

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Notice the exception is caused by below method:

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Try to deserialize the dll source code and find the detailed logical code.

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It seems we can't cross this judgement so far because cosmos db team is planning to deprecate ability to create non-partitioned containers, as they do not allow you to scale elastically.（Mentioned in my previous case:Is it still a good idea to create comos db collection without partition key?）

But you still could create non-partitioned containers with DocumentDB .net package or REST API.

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3 Comments

Seems like it. As long as it is not a bad idea to have primary key as a partition key, it's okay. And cross-partition queries are still doable. Thanks for your effort!
@MisaKovar You're so kind, you could mark it for answer. Thanks a lot!
Done. Thank you!

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