title: How to map a hash key with a list of values in c#?
body: <p>I have a string member variable namely ServiceType and a string list SubService .</p>
  
  <p>Here serviceType contains strings(consider as key) and SubService contains list of </p>
  
  <p>strings(consider as value). Now i'm trying to map one ServiceType string(key) with  </p>
  
  <p>SubService(value contains list of strings) using hashing concept. what my problem is i can map</p>
  
  <p>a key with one value but i'm not getting that how to map with list of values.Anyone can help </p>
  
  <p>me that hoe to map this kind of list and key in c# </p>