How to check if collection exists in MongoDB using C# driver?
问题 Is there any way in C# to check if a collection with a specific name already exists in my MongoDB database? 回答1: You can do it like this: database.GetCollection("blah").Exists() 回答2: @im1dermike answer is no longer working for c# driver version 2.0+ Here is an alternative: public async Task<bool> CollectionExistsAsync(string collectionName) { var filter = new BsonDocument("name", collectionName); //filter by collection name var collections = await GetDatabase().ListCollectionsAsync(new