String value being stored inside array by MongoDB

Question

I'm trying to store a string values in MongoDB, here is the C# code that I'm currently using:

var filter = Builders<BsonDocument>.Filter.Eq("_id", "pk-0");
var update = Builders<BsonDocument>.Update.Push("address", "MyStreet 1");
    update  = update.AddToSet("Address 2", "MyStreet 2");
await Collection.UpdateOneAsync(filter, update, new UpdateOptions { IsUpsert = true });

Weirdly, both AddToSet() and Push() methods creates an array1 with a string value inside it instead of just a string, see the screenshot below from my Admin UI that shows the result from my code.

Any idea of how I can get my code to store the string directly without putting it inside an array?

Alex Blex · Accepted Answer · 2016-02-21 18:06:25Z

1

Push and AddToSeat are array operators. If you need to store a scalar value you need to use Set:

var update = Builders<BsonDocument>.Update.Set("address", "MyStreet 1");

Documentation for .Net driver.

answered Feb 21, 2016 at 18:06

Alex Blex

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