C# MongoDB match any of elements in an array -


i have documents this:

/* 1 */ {     "_id" : objectid("573f3944a75c951d4d6aa65e"),     "source" : "ign",     "country" : "us" }  /* 2 */ {     "_id" : objectid("573f3d41a75c951d4d6aa65f"),     "source" : "vg",     "country" : "norway" }  /* 3 */ {     "_id" : objectid("573f4367a75c951d4d6aa660"),     "source" : "nrk",     "country" : "norway" }  /* 4 */ {     "_id" : objectid("573f4571a75c951d4d6aa661"),     "source" : "vg",     "country" : "norway" }  /* 5 */ {     "_id" : objectid("573f468da75c951d4d6aa662"),     "source" : "ign",     "country" : "us" } 

and list of sources this:

list = ['vg', 'ign'] 

i want return documents source equals 'ign' or 'vg' (any of elements in list)

how can official c# mongodb driver?

assuming using mongodb c# driver version 2.2, can use filterdefinitionbuilder class filter out desired results.

using system.collections.generic; using system.threading.tasks; using mongodb.bson; using mongodb.driver;  ... class , method declaration ...   imongoclient client = new mongoclient ("mongodb://localhost:27017/test"); imongodatabase database = client.getdatabase("test"); imongocollection<bsondocument> collection = database.getcollection<bsondocument> ("collection");  var filter = builders<bsondocument>.filter.anyin ("source", new[]{"vg", "ign"}); var cursor = await collection.findasync (filter); var docs = cursor.tolist(); 

docs hold documents source either vg or ign. based on sample data, have 4 documents.

i'll recommend have @ how find or query data c# driver


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