I think you create strongly type partial view with EnrollmentTablink Model, you need to create object of EnrollmentTablink Model in EnrollmentInfo Model and now you call partial view like
@Html.Partial("PartialName",model.enrollmentTablink)
you need to
Public Class EnrollmentInfo()
{
Public EnrollmentTablink enrollmentTablink{get;set}
Public EnrollmentInfo
{
enrollmentTablink= new enrollmentTablink();
}
}