Need to Fetch Data from Zoho and Updated in My local DB using C# Console / Windows Application

Need to Fetch Data from Zoho and Updated in My local DB using C# Console / Windows Application

Hi, I am new comer to zoho world. I got a chance to work on zoho platform and i need to fetch all invoices data from ZOHO and put it into my local MSSQL. Can any one help me on this as i am not able to fetch data. If possible please provide me sample code.