Bharath Venkatesh shows how to make Spark calls using the .NET ODBC driver:
Prerequisite
Before you begin, you must have the following:
An Azure Subscription: See Get Azure free trial.
A HDInsight cluster: See Get Started with HDInsight on Linux.
Visual Studio 2015: See Get Visual Studio 2015.
Microsoft Spark ODBC driver: HDInsight Spark uses Simba driver to connect to the cluster and run queries remotely. Download the driver here.
Check it out. Using Spark on .NET is pretty easy.