I'm using the MongoDB .Net driver in my project. I want to update all of the properties of my object that is stored in MongoDB. In the documentation, update is shown like this:
var filter = Builders<BsonDocument>.Filter.Eq("i", 10);
var update = Builders<BsonDocument>.Update.Set("i", 110);
await collection.UpdateOneAsync(filter, update);
But I don't want to call the Set
method for all of the properties, since there are many properties and can be many more in the future.
How can I update the whole object using the MongoDB .Net driver?
You can do that with ReplaceOneAsync
instead of UpdateOneAsync
.
You need a filter to match the existing document (a filter with the document id is the simplest) and the new object.
Hamster hamster = ...
var replaceOneResult = await collection.ReplaceOneAsync(
doc => doc.Id == hamster.Id,
hamster);