Estimated Shipping Cost for Purolator & Canada Post

 

Hi Everyone,
I need the tutorials links (asp.net C#) to calculate estimated prices based on product weight + postal code.
Purolator option and price 
Canada Post option and price  
Example: Please choose your delivery method:
O Purolator Courier Delivery estimated $33.65 (estimated 2-5 business days)
O Canada Post Delivery estimated $15.76 (estimated 4-10 business days)

Thanks,
May