Type businessType = typeof(Business);MethodInfo methodInfo = businessType.GetMethod("Get");Type type = null;if (entityType == EntityTypes.Seasons) type = typeof(Seasons);else if(entityType == EntityTypes.Leagues) type = typeof(Leagues);MethodInfo constructedMethod = methodInfo.MakeGenericMethod(type); object instance = Activator.CreateInstance(businessType);List<Seasons> dataSource = (List<Seasons>) constructedMethod.Invoke(instance, new object[] { 1, "0" });