Version 2.0 of the C# driver for MongoDB.
Questions tagged [mongodb-csharp-2.0]
187 questions
50
votes
3 answers
Get All 'documents' from MongoDB 'collection'
I need to retrieve all the documents that are in my collection in MongoDB, but I cannot figure out how. I have declared my 'collection' like this-
private static IMongoCollection SpeCollection =…
NicolasR
- 874
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43
votes
4 answers
MongoDB C# Driver 2.0 - Update document
I'm currently upgrading my code to MongoDB C# driver 2.0 and I'm having issues upgrading the code to update documents.
using the old version I was able to do something like this:
MyType myObject; // passed in
var collection =…
Alessandro Di Lello
- 1,181
- 1
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42
votes
4 answers
MongoDb c# driver find item in array by field value
i found the way to check is the value contains in simple array :
var filter = Builders.Filter.AnyEq(x => x.Tags, "mongodb");
But how to find a complex item with many fields by a concrete field ?
I found the way to write it via the dot…
Vladyslav Furdak
- 1,765
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35
votes
2 answers
Difference between Find and FindAsync
I am writing a very, very simple query which just gets a document from a collection according to its unique Id. After some frusteration (I am new to mongo and the async / await programming model), I figured this out:
IMongoCollection…
object88
- 720
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33
votes
4 answers
BsonSerializationException when serializing a Dictionary to BSON
I've recently moved to the new MongoDB C# driver v2.0 from the deprecated v1.9.
Now, when I serialize a class that has a dictionary I sometimes run into the following BsonSerializationException:
MongoDB.Bson.BsonSerializationException: When using…
i3arnon
- 113,022
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30
votes
5 answers
MongoDB C# Query for 'Like' on string
i am using official mongodb c# driver.
i want to query mongodb simliar to SQL Like
something like db.users.find({name:/Joe/} in c# driver
gsagrawal
- 2,900
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- 27
- 27
27
votes
3 answers
Update all properties of object in MongoDb
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.Filter.Eq("i", 10);
var update =…
Sefa
- 8,865
- 10
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26
votes
6 answers
How to do findAll in the new mongo C# driver and make it synchronous
I was using official C# driver to do a FindAll and upgraded to the new driver 2.0. FindAll is obsolete and is replaced with Find. I am trying to convert a simple method that returns me a list of Class1. Cant find a realistic example using a POCO in…
Kar
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24
votes
5 answers
How do I resume a MongoDB ChangeStream at the first document and not just changes after I start listening
My goal for this app is to create logic that monitors the database and will trigger actions when a document is added to the database (like sending an email). However, since this application may not be started when a database is first populated, how…
Jerren Saunders
- 1,188
- 1
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24
votes
3 answers
Translate FilterDefinition to regular json mongo query that i can run in a mongo shell
I have many complex queries that I sometimes wish to check directly against Mongo for debugging \ explaining() purposes.
With the newer 2.0+ c# driver, i'm not sure how to do this. With the previous version there was a thing called IMongoQuery and…
Shy Peleg
- 605
- 1
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- 9
20
votes
3 answers
How do I log my queries in MongoDB C# Driver 2.0?
Just upgraded my application to the latest stable MongoDB C# Driver 2.0.
During the migration, basic functionality has been broken and even the simplest query like: this.collection.Find(e => e.Id == id).SingleOrDefaultAsync() doesn't return the…
Shay
- 1,680
- 2
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- 39
19
votes
2 answers
Paging MongoDB query with C# drivers
I am using version 2.2 of MongoDB drivers for C#.
I want to paginate a query : the response to the query must contain the items of the current page and the total count of items matching the query.
I want to do one query.
With the mongo shell I can…
gentiane
- 6,715
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18
votes
1 answer
Query with filter builder on nested array using MongoDB C# driver
Consider the following object structure stored as documents:
public class Foo
{
public string Id { get; set; }
public ICollection Bars { get; set; }
// ...
}
public class FooBar
{
public string BarId { get; set; }
//…
kspearrin
- 10,238
- 9
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- 82
17
votes
1 answer
MongoDB C# driver 2.0 InsertManyAsync vs BulkWriteAsync
I have to insert many documents in a MongoDB collection, using the new C# 2.0 driver. Is using either collection.InsertManyAsync(...) or collection.BulkWriteAsync(...) making any difference? (particularly about performance).
From what I understand…
Stefano Castriotta
- 2,823
- 3
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14
votes
4 answers
FindAll in MongoDB .NET Driver 2.0
I want to query my MongoDB collection without any filter with MongoDB .NET Driver 2.0 but I didn't find a way. I have the following workaround but it looks weird :D
var filter = Builders.Filter.Exists(x => x.Id);
var fooBars = await…
tugberk
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