Are there any KeyValue stores used by .NET? [closed]

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I am looking up keyvalue stores that support C#, but i found that most of them are implemented by Java. Could anybody recommend some to me? It would be super if it is very light-weight, i.e., appearing as a library. thanks!!

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Dictionary<key,Value>  

               http://msdn.microsoft.com/en-us/library/xfhwa508.aspx

KeyValuePair<string, string>

              http://msdn.microsoft.com/en-us/library/5tbh8a42.aspx

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If you want an in-process, persistent key-value store (like Berkeley Db) then take a look at the PersistentDictionary which is part of the ManagedEsent project. A persistent dictionary looks like a normal dictionary but is backed by a database. If you build from the current sources then you will get Linq support, which lets you do queries.

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If you mean a NoSQL store, What NoSQL solutions are out there for .NET? has a list of these.

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There are tons, depending on your requirements.

Another you can consider is System.Runtime.Caching namespace, which has been added to .NET 4.0.

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is this what you mean by a key Value pair..like a hashtable()

Hashtable = ht = new HashTable();

or

Dictionary<double,string> d1 = new Dictionary<double,string>();

or

Dictionary<String,string> d2 = new  Dictionary<string,string>();

etc.

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>  I am looking up keyvalue stores that support C#

If you're looking for a native .NET key value store then try NCache. Its built using C#. There are none other i think.

Its offers much more than just a simple .net key value store. You can stick to just keeping keys and values in it.

Cache cache = NCache.InitializeCache("CacheName");
cache.Add("Key", "Value");
object value = cache.Get("Key");

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Redis is a excellent one. And there is amazing c# redis client ServiceStackRedis also available. Its very lightweight.

And if you want to try redis on windows, you can find the windows version here

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GetCache is a very simple key-value in-memory cache developed in .Net 4.5. Server and client library can be downloaded fron Nuget.

http://www.nuget.org/packages/GetCacheServer/

http://www.nuget.org/packages/GetCacheClient/

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FASTER - A fast concurrent persistent key-value store and log, in C# and C++

https://microsoft.github.io/FASTER/