diff --git a/CampusAppWP8/CampusAppWP8/App.xaml.cs b/CampusAppWP8/CampusAppWP8/App.xaml.cs
index 00d78264..e0f3e904 100644
--- a/CampusAppWP8/CampusAppWP8/App.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/App.xaml.cs
@@ -91,6 +91,39 @@ namespace CampusAppWP8
             }
             return default(T);
         }
+
+        /// <summary>
+        /// Method save any object to the IsolatedStorage
+        /// </summary>
+        /// <param name="key"> key of the object</param>
+        /// <param name="value">value of the object, if value == null => remove key</param>
+        public static void SaveToAppState<T>(string key, T value)
+        {
+            IsolatedStorageSettings isolatedStore = IsolatedStorageSettings.ApplicationSettings;
+            isolatedStore.Remove(key);
+            if (value != null)
+            {
+                isolatedStore.Add(key, value);
+            }
+
+            isolatedStore.Save();
+        }
+
+        /// <summary>
+        /// Method load any object to the IsolatedStorage
+        /// </summary>
+        /// <param name="key"> key of the object</param>
+        public static T LoadFromAppState<T>(string key)
+        {
+            IsolatedStorageSettings isolatedStore = IsolatedStorageSettings.ApplicationSettings;
+
+            if (isolatedStore.Contains(key))
+            {
+                object value = isolatedStore[key];
+                return (T)value;
+            }
+            return default(T);
+        }
         // Code, der beim Starten der Anwendung ausgeführt werden soll (z. B. über "Start")
         // Dieser Code wird beim Reaktivieren der Anwendung nicht ausgeführt
         private void Application_Launching(object sender, LaunchingEventArgs e)
diff --git a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
index 63d3a82e..3d9378d5 100644
--- a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
+++ b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
@@ -109,6 +109,7 @@
     <Compile Include="Model\Lecture\LectureLecturer.cs" />
     <Compile Include="Model\Lecture\LectureList.cs" />
     <Compile Include="Model\Lecture\LectureModule.cs" />
+    <Compile Include="Model\Lecture\LecturePageModel.cs" />
     <Compile Include="Model\Mensa\MenuModel.cs" />
     <Compile Include="Model\Mensa\MenuWeekModel.cs" />
     <Compile Include="Model\Utility\UrlParamModel.cs" />
diff --git a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureActivity.cs b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureActivity.cs
index 32bbbbea..8f5b171e 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureActivity.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureActivity.cs
@@ -82,6 +82,12 @@ namespace CampusAppWP8.Model.Lecture
         [XmlElement("modul")]
         public LectureModule Modul { get; set; }
 
+        /// <summary>
+        /// Gets or sets LectureTitel
+        /// </summary>
+        [XmlElement("titel")]
+        public string Title { get; set; }
+
         /// <summary>
         /// Gets or sets the lecturers
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs b/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs
new file mode 100644
index 00000000..ca79f582
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Model/Lecture/LecturePageModel.cs
@@ -0,0 +1,242 @@
+//-----------------------------------------------------------------------
+// <copyright file="LecturePageModel.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>18.06.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Model.Lecture
+{
+    using System.Collections.Generic;
+    using System.Runtime.Serialization;
+    using CampusAppWP8.Model.Utility;
+    using CampusAppWP8.Resources;
+
+    /// <summary>
+    /// Model for the LecturePage
+    /// </summary>
+    [DataContract]
+    public class LecturePageModel
+    {
+        #region Members
+
+        /// <summary>
+        /// List for the courses of the BTU
+        /// </summary>
+        /// <remarks>
+        /// need to be extend to full list
+        /// </remarks>
+        private List<ListPickerItemModel> courseList;
+
+        /// <summary>
+        /// List of the degrees
+        /// </summary>
+        private List<ListPickerItemModel> degreeList;
+
+        /// <summary>
+        /// List of the semester
+        /// </summary>
+        private List<ListPickerItemModel> semesterList;
+
+        /// <summary>
+        /// List for the number of semester
+        /// </summary>
+        private List<ListPickerItemModel> numberList;
+
+        #endregion
+
+        #region Constructor
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LecturePageModel" /> class.
+        /// </summary>
+        public LecturePageModel()
+        {
+        }
+        #endregion
+
+        #region Proberty
+
+        /// <summary>
+        /// Gets or sets the selected course index
+        /// </summary>
+        [DataMember]
+        public int SelectCourseIndex { get; set; }
+
+        /// <summary>
+        /// Gets or sets the selected degree index
+        /// </summary>
+        [DataMember]
+        public int SelectDegreeIndex { get; set; }
+
+        /// <summary>
+        /// Gets or sets the selected semester-index
+        /// </summary>
+        [DataMember]
+        public int SelectSemesterIndex { get; set; }
+
+        /// <summary>
+        /// Gets or sets the selected from-index
+        /// </summary>
+        [DataMember]
+        public int SelectFromIndex { get; set; }
+
+        /// <summary>
+        /// Gets or sets the selected to-index
+        /// </summary>
+        [DataMember]
+        public int SelectToIndex { get; set; }
+
+        /// <summary>
+        /// Gets List for the courses of the BTU
+        /// </summary>
+        public List<ListPickerItemModel> CourseList
+        {
+            get
+            {
+                return this.courseList;
+            }
+        }
+
+        /// <summary>
+        /// Gets List of the degrees
+        /// </summary>
+        public List<ListPickerItemModel> DegreeList
+        {
+            get
+            {
+                return this.degreeList;
+            }
+        }
+
+        /// <summary>
+        /// Gets List of the semester
+        /// </summary>
+        public List<ListPickerItemModel> SemesterList
+        {
+            get
+            {
+                return this.semesterList;
+            }
+        }
+
+        /// <summary>
+        /// Gets List for the number of semester
+        /// </summary>
+        public List<ListPickerItemModel> NumberList
+        {
+            get
+            {
+                return this.numberList;
+            }
+        }
+        #endregion
+
+        #region Methods
+
+        #region public
+
+        /// <summary>
+        /// Load all ListPickerLists
+        /// </summary>
+        public void LoadLists()
+        {
+            this.LoadCourseList();
+            this.LoadDegreeList();
+            this.LoadNumberList();
+            this.LoadSemesterList();
+        }
+
+        #endregion
+
+        #region private
+
+        /// <summary>
+        /// Load the NumberList
+        /// </summary>
+        private void LoadNumberList()
+        {
+            this.numberList = new List<ListPickerItemModel>();
+            this.numberList.Add(new ListPickerItemModel() { Text = "1", Value = "1" });
+            this.numberList.Add(new ListPickerItemModel() { Text = "2", Value = "2" });
+            this.numberList.Add(new ListPickerItemModel() { Text = "3", Value = "3" });
+            this.numberList.Add(new ListPickerItemModel() { Text = "4", Value = "4" });
+        }
+
+        /// <summary>
+        /// Load the SemesterList
+        /// </summary>
+        private void LoadSemesterList()
+        {
+            this.semesterList = new List<ListPickerItemModel>();
+            this.semesterList.Add(new ListPickerItemModel() { Text = "SoSe 13", Value = "20131" });
+            this.semesterList.Add(new ListPickerItemModel() { Text = "WiSe 13/14", Value = "20132" });
+            this.semesterList.Add(new ListPickerItemModel() { Text = "SoSe 14", Value = "20131" });
+        }
+
+        /// <summary>
+        /// Load the DegreeList
+        /// </summary>
+        private void LoadDegreeList()
+        {
+            this.degreeList = new List<ListPickerItemModel>();
+            this.degreeList.Add(new ListPickerItemModel() { Text = AppResources.Degree_Bachelor, Value = "82" });
+            this.degreeList.Add(new ListPickerItemModel() { Text = AppResources.Degree_Master, Value = "88" });
+            this.degreeList.Add(new ListPickerItemModel() { Text = AppResources.Degree_Diploma, Value = "11" });
+        }
+
+        /// <summary>
+        /// Load the DegreeList
+        /// </summary>
+        private void LoadCourseList()
+        {
+            this.courseList = new List<ListPickerItemModel>();
+            this.courseList.Add(new ListPickerItemModel() { Text = "Architektur", Value = "013" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Bauingenieurwesen", Value = "017" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Betriebswirtschaftslehre", Value = "021" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Wirtschaftsrecht für Technologieunternehmen", Value = "042" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Elektrotechnik", Value = "048" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Informatik ", Value = "079" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Maschinenbau", Value = "104" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Mathematik", Value = "105" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Physik ", Value = "128" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Wirtschaftsingenieurwesen", Value = "179" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Wirtschaftswissenschaften ", Value = "184" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Biomedizinische Gerätetechnik ", Value = "215" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Verfahrenstechnik", Value = "226" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Wirtschaftsmathematik ", Value = "276" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Kultur und Technik ", Value = "711" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Physik der Halbleiter-Technologie", Value = "744" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Angewandte Mathematik ", Value = "749" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Technologie- und Innovationsmanagement", Value = "764" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Stadt- und Regionalplanung", Value = "766" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Informations- und Medientechnik ", Value = "767" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "World Heritage Studies", Value = "768" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Umweltingenieurwesen und Verfahrenstechnik", Value = "770" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Environmental and Resource Management", Value = "771" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Landnutzung und Wasserbewirtschaftung", Value = "772" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Bauen und Erhalten", Value = "773" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Umweltingenieurwesen", Value = "774" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "eBusiness", Value = "794" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Civil Engineering", Value = "798" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Structural Engineering", Value = "799" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Electrical Power Engineering ", Value = "800" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Euro Hydroinformatics and Water Management", Value = "841" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Technologien Biogener Rohstoffe", Value = "842" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Environmental Technologies", Value = "843" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Process Engineering and Plant Design", Value = "844" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Architekturvermittlung", Value = "845" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Nachwachsende Rohstoffe und Erneuerbare Energien", Value = "851" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Energieträger aus Biomasse und Abfällen", Value = "852" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Power Engineering", Value = "853" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Verfahrenstechnik - Prozess- und Anlagentechnik", Value = "857" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Architektur.Studium.Generale", Value = "858" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Verarbeitungstechnologien der Werkstoffe", Value = "860" });
+            this.courseList.Add(new ListPickerItemModel() { Text = "Forensic Sciences and Engineering", Value = "871" });
+        }
+
+        #endregion
+
+        #endregion
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
index 2ba1e36c..95c960be 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
@@ -10,6 +10,7 @@ namespace CampusAppWP8.Pages.Lecture
     using System;
     using System.Collections.Generic;
     using System.Windows;
+    using System.Windows.Media.Imaging;
     using System.Windows.Navigation;
     using CampusAppWP8.Feed.Lecture;
     using CampusAppWP8.Model.Lecture;
@@ -17,14 +18,14 @@ namespace CampusAppWP8.Pages.Lecture
     using CampusAppWP8.Resources;
     using CampusAppWP8.Utility;
     using Microsoft.Phone.Controls;
-    using System.Windows.Media;
-    using System.Windows.Media.Imaging;
 
     /// <summary>
     /// Class for the LecturePage
     /// </summary>
     public partial class LecturePage : PhoneApplicationPage
     {
+        #region Member
+
         /// <summary>
         ///  actual LectureAPI
         /// </summary>
@@ -36,106 +37,120 @@ namespace CampusAppWP8.Pages.Lecture
         /// <remarks>
         /// need to be extend to full list
         /// </remarks>
-        private List<ListPickerItemModel> courseList = new List<ListPickerItemModel>()
-        {
-            new ListPickerItemModel()
-            {
-                Text = "Architektur", Value = "013"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "Bauingenieurwesen", Value = "017"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "Betriebswirtschaftslehre", Value = "021"
-            }
-        };
+        private LecturePageModel pageModel;
 
-        /// <summary>
-        /// List of the degrees
-        /// </summary>
-        private List<ListPickerItemModel> degreeList = new List<ListPickerItemModel>()
-        {
-            new ListPickerItemModel()
-            {
-                Text = AppResources.Degree_Bachelor, Value = "82"
-            },
-            new ListPickerItemModel()
-            {
-                Text = AppResources.Degree_Master, Value = "88"
-            },
-            new ListPickerItemModel()
-            {
-                Text = AppResources.Degree_Diploma, Value = "11"
-            }
-        };
-
-        /// <summary>
-        /// List of the semester
-        /// </summary>
-        private List<ListPickerItemModel> semesterList = new List<ListPickerItemModel>()
-        {
-            new ListPickerItemModel()
-            {
-                Text = "SoSe 13", Value = "20131"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "WiSe 13/14", Value = "20132"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "SoSe 14", Value = "20141"
-            }
-        };
-
-        /// <summary>
-        /// List for the number of semester
-        /// </summary>
-        private List<ListPickerItemModel> numberList = new List<ListPickerItemModel>()
-        {
-            new ListPickerItemModel()
-            {
-                Text = "1", Value = "1"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "2", Value = "2"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "3", Value = "3"
-            },
-            new ListPickerItemModel()
-            {
-                Text = "4", Value = "4"
-            }
-        };
+        #endregion
 
+        #region Constructor
         /// <summary>
         /// Initializes a new instance of the <see cref="LecturePage" /> class.
         /// </summary>
         public LecturePage()
         {
             this.InitializeComponent();
+            this.LoadPageModel();
             this.SetupListPickers();
             if ((Visibility)Application.Current.Resources["PhoneDarkThemeVisibility"] == Visibility.Visible)
             {
-                this.SearchButtonImg.Source = new BitmapImage(new Uri("/Assets/icons/search_159_dark.png",UriKind.Relative));
+                this.SearchButtonImg.Source = new BitmapImage(new Uri("/Assets/icons/search_159_dark.png", UriKind.Relative));
             }
         }
 
+        #endregion
+
+        #region methods
+
+        #region protected
+        /// <summary>
+        /// Methods overrides the  OnNavigatedFrom-Method
+        /// </summary>
+        /// <param name="e">some NavigationEventArgs</param>
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            if (NavigationMode.Back == e.NavigationMode)
+            {
+                // delete all models
+                App.SaveToIsolatedStorage<LecturePageModel>(Constants.IsolatedStorage_LecturePageModel, null);
+                App.SaveToIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel, null);
+            }
+            else
+            {
+                this.StoreSelectedIndex();
+                App.SaveToIsolatedStorage<LecturePageModel>(Constants.IsolatedStorage_LecturePageModel, this.pageModel);
+            }
+
+            base.OnNavigatedFrom(e);
+        }
+
+        #endregion
+
+        #region private
+
+        /// <summary>
+        /// Load the PageModel
+        /// </summary>
+        private void LoadPageModel()
+        {
+            this.pageModel = new LecturePageModel();
+            this.pageModel.LoadLists();
+        }
+
         /// <summary>
         /// Method sets the ItemSource of the ListPickers
         /// </summary>
         private void SetupListPickers()
         {
-            this.Course.ItemsSource = this.courseList;
-            this.Degree.ItemsSource = this.degreeList;
-            this.From.ItemsSource = this.numberList;
-            this.To.ItemsSource = this.numberList;
-            this.Semester.ItemsSource = this.semesterList;
+            this.Course.ItemsSource = this.pageModel.CourseList;
+            this.Degree.ItemsSource = this.pageModel.DegreeList;
+            this.From.ItemsSource = this.pageModel.NumberList;
+            this.To.ItemsSource = this.pageModel.NumberList;
+            this.Semester.ItemsSource = this.pageModel.SemesterList;
+
+            // load values from last request
+            LecturePageModel lastPageModel = App.LoadFromIsolatedStorage<LecturePageModel>(Constants.IsolatedStorage_LecturePageModel);
+            if (lastPageModel != null)
+            {
+                this.SetLastSelectedIndex(lastPageModel);
+            }
+
+            this.SetSelectedIndex();
+        }
+
+        /// <summary>
+        /// Method set the last selected index of the ListPickers
+        /// </summary>
+        /// <param name="lastPageModel">Last PageModel</param>
+        private void SetLastSelectedIndex(LecturePageModel lastPageModel)
+        {
+            this.pageModel.SelectCourseIndex = lastPageModel.SelectCourseIndex;
+            this.pageModel.SelectDegreeIndex = lastPageModel.SelectDegreeIndex;
+            this.pageModel.SelectFromIndex = lastPageModel.SelectFromIndex;
+            this.pageModel.SelectToIndex = lastPageModel.SelectToIndex;
+            this.pageModel.SelectSemesterIndex = lastPageModel.SelectSemesterIndex;
+        }
+
+        /// <summary>
+        /// Method set the last selected index of the ListPickers
+        /// </summary>
+        private void SetSelectedIndex()
+        {
+            this.Course.SelectedIndex = this.pageModel.SelectCourseIndex;
+            this.Degree.SelectedIndex = this.pageModel.SelectDegreeIndex;
+            this.Semester.SelectedIndex = this.pageModel.SelectSemesterIndex;
+            this.From.SelectedIndex = this.pageModel.SelectFromIndex;
+            this.To.SelectedIndex = this.pageModel.SelectToIndex;
+        }
+
+        /// <summary>
+        /// Method store the actual selectIndex to the models
+        /// </summary>
+        private void StoreSelectedIndex()
+        {
+            this.pageModel.SelectCourseIndex = this.Course.SelectedIndex;
+            this.pageModel.SelectDegreeIndex = this.Degree.SelectedIndex;
+            this.pageModel.SelectSemesterIndex = this.Semester.SelectedIndex;
+            this.pageModel.SelectFromIndex = this.From.SelectedIndex;
+            this.pageModel.SelectToIndex = this.To.SelectedIndex;
         }
 
         /// <summary>
@@ -186,5 +201,9 @@ namespace CampusAppWP8.Pages.Lecture
             Uri url = new Uri(Constants.PathLecture_ResultPage, UriKind.Relative);
             NavigationService.Navigate(url);
         }
+
+        #endregion
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultDetailPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultDetailPage.xaml
index 04b6ada9..dfea3521 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultDetailPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultDetailPage.xaml
@@ -38,7 +38,7 @@
                     <Border BorderBrush="{StaticResource PhoneInverseInactiveBrush}" BorderThickness="0,1,0,0" Padding="0,12,0,12">
                         <StackPanel>
                             <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_LectureName, Source={StaticResource LocalizedStrings}}" Style="{StaticResource PhoneTextGroupHeaderStyle}" Margin="0,0,0,0"/>
-                            <TextBlock Text="{Binding Modul.Title}" TextWrapping="Wrap"/>
+                            <TextBlock Text="{Binding Title}" TextWrapping="Wrap"/>
                         </StackPanel>
                     </Border>
                     <Border BorderBrush="{StaticResource PhoneInverseInactiveBrush}" BorderThickness="0,1,0,0" Padding="0,12,0,12">
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml
index 187ffc38..cac704bf 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml
@@ -33,7 +33,7 @@
                             <TextBlock Text="{Binding Type}" Grid.Column="0" Grid.Row="0"/>
 
                             <TextBlock Text=" : " Grid.Column="1" Grid.Row="0"/>
-                            <TextBlock Text="{Binding Modul.Title}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="0"/>
+                            <TextBlock Text="{Binding Title}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="0"/>
                         </Grid>
                     </Button>
                     <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
index 6486db91..fbb9157a 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
@@ -20,11 +20,6 @@ namespace CampusAppWP8.Pages.Lecture
     /// </summary>
     public partial class ResultPage : PhoneApplicationPage
     {
-        /// <summary>
-        /// Reference of the button which was lastClicked
-        /// </summary>
-        private Button lastClickedButton;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="ResultPage" /> class.
         /// </summary>
@@ -39,8 +34,15 @@ namespace CampusAppWP8.Pages.Lecture
         /// <param name="e">Arguments of navigation</param>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
-             LectureList list = App.LoadFromIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel);
-             this.ResultList.ItemsSource = list.Activities;
+            LectureList list = App.LoadFromIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel);
+            if (list == null)
+            {
+                Uri url = new Uri(Constants.PathLecture_LecturePage, UriKind.Relative);
+                NavigationService.Navigate(url);
+                return;
+            }
+
+            this.ResultList.ItemsSource = list.Activities;
             base.OnNavigatedTo(e);
         }
 
@@ -53,15 +55,14 @@ namespace CampusAppWP8.Pages.Lecture
         {
             Button button = (Button)sender;
             StackPanel parent = (StackPanel)button.Parent;
-            if (this.lastClickedButton != null && !this.lastClickedButton.Equals(button))
-            {
-                this.HideOptions(parent);
-            }
 
-            this.lastClickedButton = button;
-            
             Button link = (Button)parent.FindName("Link");
             Button details = (Button)parent.FindName("Details");
+            if (link.Tag == null)
+            {
+                link.IsEnabled = false;
+            }
+
             this.ToogleVisibility(link);
             this.ToogleVisibility(details);
         }
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
index f6d9df87..de490af5 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
@@ -69,6 +69,15 @@ namespace CampusAppWP8.Resources {
             }
         }
         
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die IsolatedStorage_LecturePageModel ähnelt.
+        /// </summary>
+        internal static string IsolatedStorage_LecturePageModel {
+            get {
+                return ResourceManager.GetString("IsolatedStorage_LecturePageModel", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die lsf_auszug ähnelt.
         /// </summary>
@@ -150,6 +159,15 @@ namespace CampusAppWP8.Resources {
             }
         }
         
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die /Pages/Lecture/LecturePage.xaml ähnelt.
+        /// </summary>
+        internal static string PathLecture_LecturePage {
+            get {
+                return ResourceManager.GetString("PathLecture_LecturePage", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die /Pages/Lecture/ModulWebPage.xaml ähnelt.
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
index 3549c065..51ff2160 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
@@ -168,4 +168,10 @@
   <data name="UrlLecture_ApiBaseAddr" xml:space="preserve">
     <value>http://www.zv.tu-cottbus.de/LSFveranst/LSF4</value>
   </data>
+  <data name="IsolatedStorage_LecturePageModel" xml:space="preserve">
+    <value>IsolatedStorage_LecturePageModel</value>
+  </data>
+  <data name="PathLecture_LecturePage" xml:space="preserve">
+    <value>/Pages/Lecture/LecturePage.xaml</value>
+  </data>
 </root>
\ No newline at end of file