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<Project> SpeCollection = db.GetCollection<Project>("collection_Project");
And I followed what is explained in this MongoDB tutorial. I adjusted it for my needs, like-
var documents = await SpeCollection.Find(new Project()).ToListAsync();
However, I keep having the following error-
MongoDB.Driver.IMongoCollection does not have a definition for 'Find' and the best override of the extension method [superlong stuff]. Find contains non valid arguments.
Fetch all data from the collection If we want to fetch all documents from the collection the following mongodb command can be used : >db. userdetails. find(); or >db.
A compound query can specify conditions for more than one field in the collection's documents. Implicitly, a logical AND conjunction connects the clauses of a compound query so that the query selects the documents in the collection that match all the conditions.
Retrieve all the documents-
var documents = SpeCollection.AsQueryable();
Also convert to JSON
object-
var json = Json(documents, JsonRequestBehavior.AllowGet);
Using the current version of the driver (v2.0) you can do that by passing a filter that matches everything:
var documents = await SpeCollection.Find(_ => true).ToListAsync();
They have also added an empty filter (FilterDefinition.Empty
) which will arrive in the next version of the driver (v2.1):
var documents = await SpeCollection.Find(Builders<Project>.Filter.Empty).ToListAsync();
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