Query LOCAL Bitcoin blockchain with C# .NET

I am trying to perform simple thing: check “balance” of a given bitcoin address but using ONLY locally stored blockchain (downloaded via Bitcoin Core). Something similar to this (by using NBitCoin and/or QBitNinja), but without need of access to the network: private static readonly QBitNinjaClient client = new QBitNinjaClient(Network.Main); / public decimal CheckBalance(BitcoinPubKeyAddress address) { […]