Add List to List

public class ModelResult
{
   public string NAME { get; set; }
   public List<DataPointVM> RESULTs { get; set; }
}

public class DataPointVM
    {
        private float v1;
        private float v2;

        public DataPointVM(float v1, float v2)
        {
            this.TIME = v1;
            this.VALUE = v2;
        }

        public float TIME { get; set; }
        public float VALUE { get; set; }
    }
public class SimulationResult
    {
        public List<ViewModels.ModelResult> mresult { get; set; }

        public SimulationResult()
        {
            mresult = new List<ViewModels.ModelResult>(); //create the list
        }
    }

List<string> parameterList = new List<string>(new string[] {
   "First",
   "Second",
   "Third"
});

int index = 0;
SimulationResult newList = new SimulationResult(); // Final result should store here

for (index=0;index<parameterList.Count();index++)
{
   ModelResult mdlres = new ModelResult(); // store temporary list
   List<DataPointVM> points = new List<DataPointVM>(); store details

   mdlres.NAME = parameterList[index];
   for (int i = 0; i < 100; i++)
   {
     points.Add(new ViewModels.DataPointVM(TIME<int>, VALUE<float>));
   }
   mdlres.RESULTs = points.ToList(); // store key with details
   newList.mresult.Add(mdlres); create collection of mdlres
}