clean collection of mongodb

https://www.jianshu.com/p/01a22acb19eb

 

 

string dbname = "Today";
var client = new MongoDB.Driver.MongoClient(connStr);
IMongoDatabase db = client.GetDatabase(dbname);
var cBar = db.GetCollection<BsonDocument>("Tick");
foreach (var dbName in db.ListCollectionNames().ToList())
{
var c = db.GetCollection<BsonDocument>(dbName);
c.DeleteMany(new BsonDocument());
}