How to get the Mongo database specified in connection string in C

Question

I would like to connect to the database specified in the connection string  without specifying it again in GetDatabase    For example  if I have a connection string like this   mongodb   localhost mydb   I would like to be able to db GetCollection  mycollection   from mydb    This would allow the database name to be configured easily in the app config file

User · Answer

In this moment with the last version of the C  driver  2 3 0  the only way I found to get the database name specified in connection string is this   var connectionString     mongodb   usr pwd srv1 acme net srv2 acme net srv3 acme net dbName replicaSet rset   var mongoUrl   new MongoUrl connectionString   var dbname   mongoUrl DatabaseName  var db   new MongoClient mongoUrl  GetDatabase dbname   db GetCollection lt MyType gt   myCollectionName

User · Answer

The answer below is apparently obsolete now  but works with older drivers  See comments   If you have the connection string you could also use MongoDatabase directly   var db    MongoDatabase Create connectionString   var coll   db GetCollection  MyCollection

User · Answer

Update   MongoServer Create is obsolete now  thanks to  aknuds1   Instead this use following code   var  server   new MongoClient connectionString  GetServer        It s easy  You should first take database name from connection string and then get database by name  Complete example   var connectionString    mongodb   localhost 27020 mydb      take database name from connection string var  databaseName   MongoUrl Create connectionString  DatabaseName  var  server   MongoServer Create connectionString      and then get database by database name   server GetDatabase  databaseName     Important  If your database and auth database are different  you can add a authSource  query parameter to specify a different auth database   thank you to   chrisdrobison   From docs      NOTE If you are using the database segment as the initial database to   use  but the username and password specified are defined in a   different database  you can use the authSource option to specify the   database in which the credential is defined  For example    mongodb   user pass hostname db1 authSource userDb would authenticate   the credential against the userDb database instead of db1

User · Answer

With version 1 7 of the official 10gen driver  this is the current  non-obsolete  API   const string uri    mongodb   localhost mydb   var client   new MongoClient uri   var db   client GetServer   GetDatabase new MongoUrl uri  DatabaseName   var collection   db GetCollection  mycollection

[c#] How to get the Mongo database specified in connection string in C#

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