void SaveToDB()
{
var dh = new DatabaseDataProvider();
var connectionStr = ConfigurationManager.ConnectionStrings["MarketDataConnectionString"].ConnectionString;
dh.GetDatabaseConnection = () => { return(new SqlConnection(connectionStr)); };
dh.DeleteBatch(null, "Table_Instruments", new List <string>()
{
"Ticker"
}, InstrumentList.Cast <object>().ToList());
dh.InsertBatch(null, "Table_Instruments", InstrumentList.Cast <object>().ToList());
}