fuck ICollection and the like...

Plattform/Plattform/DB/AirlineDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class AirlineDB
     {
-        public ICollection<Airline> GetAllAirlines()
+        public List<Airline> GetAllAirlines()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/AirportDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class AirportDB
     {
-        public ICollection<Airport> GetAllAirports()
+        public List<Airport> GetAllAirports()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/AvailabiltyDB.cs

@@ -8,7 +8,7 @@ namespace Plattform.DB
 {
     public class AvailabilityDB
     {
-        public ICollection<Availability> GetAllAvailabilities()
+        public List<Availability> GetAllAvailabilities()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/CityDB.cs

@@ -8,7 +8,7 @@ namespace Plattform.DB
 {
     public class CityDB
     {
-        public ICollection<City> GetAllCities()
+        public List<City> GetAllCities()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/FlightDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class FlightDB
     {
-        public ICollection<Flight> GetAllFlights()
+        public List<Flight> GetAllFlights()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/GenderDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class GenderDB
     {
-        public ICollection<Gender> GetAllGenders()
+        public List<Gender> GetAllGenders()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/HotelDB.cs

@@ -8,7 +8,7 @@ namespace Plattform.DB
 {
     public class HotelDB
     {
-        public ICollection<Hotel> GetAllHotels()
+        public List<Hotel> GetAllHotels()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/RoomDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class RoomDB
     {
-        public ICollection<Room> GetAllRooms()
+        public List<Room> GetAllRooms()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/RoomTypeDB.cs

@@ -8,7 +8,7 @@ namespace Plattform.DB
 {
     public class RoomTypeDB
     {
-        public ICollection<RoomType> GetAllRoomTypes()
+        public List<RoomType> GetAllRoomTypes()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/SalutationDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class SalutationDB
     {
-        public ICollection<Salutation> GetAllSalutations()
+        public List<Salutation> GetAllSalutations()
         {
             using (Context ctx = new Context())
             {

Plattform/Plattform/DB/SpecialOfferDB.cs

@@ -7,7 +7,7 @@ namespace Plattform.DB
 {
     public class SpecialOfferDB
     {
-        public ICollection<SpecialOffer> GetAllSpecialOffers()
+        public List<SpecialOffer> GetAllSpecialOffers()
         {
             using (Context ctx = new Context())
             {