Program.cs

using Microsoft.Spark.Sql;


namespace blog.apachesparkgettingstarted
{
   class Program
    {
        static void Main(string[] args)
        {
             SparkSession spark = SparkSession
                            .Builder()
                            .AppName("My application")
                            .GetOrCreate();
             
            DataFrame df = spark
                .Read()
                .Option("header", true)
                .Csv("./data/seattle-cultural-space-inventory.csv");

            df
                .Select("Name", "Phone")
                .Filter(df["Phone"].IsNotNull());
        }
    }
}