Google Map multiple routes using Asp.Net

Hi,

 

Please help me, I am tired to create multiple routes in google map through javascript using asp.net. In deply i am saying a visual studio SQL Server connectivity to google map and automatically all routes are created.

 

thanks for advance 

 

Example:

 

 

This is Index.cshtml

    

    

    

    

"https://maps.googleapis.com/maps/api/js?key=xxxxXXXXxxxxx&callback=initMap" async defer>