diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LectureFeed.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LectureFeed.cs
index c09325cd..272966c9 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LectureFeed.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LectureFeed.cs
@@ -10,8 +10,8 @@ namespace CampusAppWP8.Pages.Lecture
 {
     public class LectureFeed : XmlFeed<LectureList>
     {
-        public LectureFeed()
-            : base(new Uri("http://www.zv.tu-cottbus.de/LSFveranst/LSF4?Semester=20112&Abschluss=82&Studiengang=079&Von=1&Bis=2"), "Lecture.xml")
+        public LectureFeed(Uri url)
+            : base(url, "Lecture.xml")
         {
             this.validRootName = "lsf_auszug";
         }
@@ -31,7 +31,12 @@ namespace CampusAppWP8.Pages.Lecture
         /// <returns>true, if file is up-to-date, otherwise false</returns>
         protected override bool CheckIsFileUpToDate()
         {
-            return true;
+            return false;
+        }
+
+        public static Uri createFeedUrl(string semester, string degree, string course, string from, string to)
+        {
+           return  new Uri("http://www.zv.tu-cottbus.de/LSFveranst/LSF4?Semester="+semester+"&Abschluss="+degree+"&Studiengang="+course+"&Von="+from+"&Bis="+to);
         }
     }
 }
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml
index 657782b2..d73948eb 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml
@@ -48,26 +48,26 @@
 
                 <StackPanel  Grid.Row="0" >
                     <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_LectureName, Source={StaticResource LocalizedStrings}}"/>
-                    <TextBox />
+                    <TextBox  Name="ActivtyName"/>
                 </StackPanel>
 
                 <Border BorderBrush="{StaticResource PhoneBorderBrush}" BorderThickness="0,2,0,0" Grid.Row="1">
                     <StackPanel >
                         <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_Course, Source={StaticResource LocalizedStrings}}"/>
-                        <toolkit:ListPicker>
-                            <toolkit:ListPickerItem Content="aaa" />
-                            <toolkit:ListPickerItem Content="bbb" />
-                            <toolkit:ListPickerItem Content="ccc" />
+                        <toolkit:ListPicker Name="Course">
+                            <toolkit:ListPickerItem Content="Architektur" Tag="013"/>
+                            <toolkit:ListPickerItem Content="Bauingenieurwesen" Tag="017"/>
+                            <toolkit:ListPickerItem Content="Betriebswirtschaftslehre" Tag="021" />
                         </toolkit:ListPicker>
                     </StackPanel>
                 </Border>
                 <Border BorderBrush="{StaticResource PhoneBorderBrush}" BorderThickness="0,2,0,0" Grid.Row="2">
                     <StackPanel >
                         <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_Degree, Source={StaticResource LocalizedStrings}}"/>
-                        <toolkit:ListPicker>
-                            <toolkit:ListPickerItem Content="Bachelor" />
-                            <toolkit:ListPickerItem Content="Master" />
-                            <toolkit:ListPickerItem Content="Diplom" />
+                        <toolkit:ListPicker Name="Degree">
+                            <toolkit:ListPickerItem Content="Bachelor" Tag="82" />
+                            <toolkit:ListPickerItem Content="Master" Tag="88"/>
+                            <toolkit:ListPickerItem Content="Diplom" Tag="11" />
                         </toolkit:ListPicker>
                     </StackPanel>
                 </Border>
@@ -75,16 +75,18 @@
                     <StackPanel >
                         <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_Term, Source={StaticResource LocalizedStrings}}"/>
                         <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
-                            <toolkit:ListPicker Width="60">
-                                <toolkit:ListPickerItem Content="1" />
-                                <toolkit:ListPickerItem Content="2" />
-                                <toolkit:ListPickerItem Content="3" />
+                            <toolkit:ListPicker Width="60" Name="From" >
+                                <toolkit:ListPickerItem Content="1" Tag="1" />
+                                <toolkit:ListPickerItem Content="2" Tag="2"/>
+                                <toolkit:ListPickerItem Content="3" Tag="3" />
+                                <toolkit:ListPickerItem Content="4" Tag="4"/>
                             </toolkit:ListPicker>
                             <TextBlock Text="bis" HorizontalAlignment="Center" VerticalAlignment="Center"/>
-                            <toolkit:ListPicker Width="60">
-                                <toolkit:ListPickerItem Content="1" />
-                                <toolkit:ListPickerItem Content="2" />
-                                <toolkit:ListPickerItem Content="3" />
+                            <toolkit:ListPicker Width="60" Name="To">
+                                <toolkit:ListPickerItem Content="1" Tag="1" />
+                                <toolkit:ListPickerItem Content="2" Tag="3" />
+                                <toolkit:ListPickerItem Content="3" Tag="3" />
+                                <toolkit:ListPickerItem Content="4" Tag="4" />
                             </toolkit:ListPicker>
                         </StackPanel>
                     </StackPanel>
@@ -92,15 +94,15 @@
                 <Border BorderBrush="{StaticResource PhoneBorderBrush}" BorderThickness="0,2,0,0"  Grid.Row="4">
                     <StackPanel>
                         <TextBlock Text="{Binding Path=LocalizedResources.LectureApp_Semester, Source={StaticResource LocalizedStrings}}"/>
-                        <toolkit:ListPicker>
-                            <toolkit:ListPickerItem Content="SoSe 13" />
-                            <toolkit:ListPickerItem Content="WiSe 13/14" />
-                            <toolkit:ListPickerItem Content="SoSe 14" />
+                        <toolkit:ListPicker Name="Semester">
+                            <toolkit:ListPickerItem Content="SoSe 13" Tag="20131"/>
+                            <toolkit:ListPickerItem Content="WiSe 13/14" Tag="20132"/>
+                            <toolkit:ListPickerItem Content="SoSe 14" Tag="2014"/>
                         </toolkit:ListPicker>
                     </StackPanel>
                 </Border>
                 <Border BorderBrush="{StaticResource PhoneBorderBrush}" BorderThickness="0,2,0,0"  Grid.Row="5">
-                    <Button Name="SearchButton">
+                    <Button Name="SearchButton" Click="SendRequest">
                         <Image Source="/Toolkit.Content/ApplicationBar.Select.png" Width="100">
                         </Image>
                     </Button>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
index 21f26d96..8080d402 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
@@ -9,20 +9,48 @@ using Microsoft.Phone.Controls;
 using Microsoft.Phone.Shell;
 using CampusAppWP8.Pages.Lecture;
 using CampusAppWP8.Utility;
+using CampusAppWP8.Model.Lecture;
+using CampusAppWP8.Resources;
 
 namespace CampusAppWP8.Pages.lecture
 {
     public partial class Lecture : PhoneApplicationPage
     {
+        /// <summary>
+        ///  actual LectureFeed
+        /// </summary>
+        private LectureFeed feed;
+
         public Lecture()
         {
             InitializeComponent();
-            LectureFeed test = new LectureFeed();
-            test.LoadFeed();
         }
 
         private void PhoneApplicationPage_OrientationChanged(object sender, OrientationChangedEventArgs e)
         {
         }
+
+        private void SendRequest(object sender, RoutedEventArgs e)
+        {
+            ListPickerItem semester = (ListPickerItem)this.Semester.SelectedItem;
+            ListPickerItem degree= (ListPickerItem)this.Degree.SelectedItem;
+            ListPickerItem course = (ListPickerItem)this.Course.SelectedItem;
+            ListPickerItem from = (ListPickerItem)this.From.SelectedItem;
+            ListPickerItem to = (ListPickerItem)this.To.SelectedItem;
+            Uri request = LectureFeed.createFeedUrl(semester.Tag.ToString(), degree.Tag.ToString(), course.Tag.ToString(), from.Tag.ToString(), to.Tag.ToString());
+            this.feed = new LectureFeed(request);
+            this.feed.EventHandler.FeedIsReadyEvent += new FeedEventHandler.FeedReadyHandler(this.FeedIsReady);
+            this.feed.LoadFeed();
+        }
+
+        /// <summary>
+        /// Method will be execute if the feed is ready
+        /// </summary>
+        private void FeedIsReady()
+        {
+            App.SaveToIsolatedStorage<LectureList>(Constants.IsolatedStorageLectureModel, this.feed.Model);
+            Uri url = new Uri(Constants.PathResultPage, UriKind.Relative);
+            NavigationService.Navigate(url);
+        }
     }
 }
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
index f5ecfd1f..7004f271 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
@@ -13,7 +13,6 @@ namespace CampusAppWP8.Pages.Lecture
     using System.Windows.Navigation;
     using CampusAppWP8.Model.Lecture;
     using CampusAppWP8.Resources;
-    using CampusAppWP8.Utility;
     using Microsoft.Phone.Controls;
 
     /// <summary>
@@ -21,11 +20,6 @@ namespace CampusAppWP8.Pages.Lecture
     /// </summary>
     public partial class ResultPage : PhoneApplicationPage
     {
-        /// <summary>
-        ///  actual LectureFeed
-        /// </summary>
-        private LectureFeed feed;
-
         /// <summary>
         /// Reference of the button which was lastClicked
         /// </summary>
@@ -37,18 +31,17 @@ namespace CampusAppWP8.Pages.Lecture
         public ResultPage()
         {
             this.InitializeComponent();
-            this.feed = new LectureFeed();
-            this.feed.EventHandler.FeedIsReadyEvent += new FeedEventHandler.FeedReadyHandler(this.FeedIsReady);
-            this.feed.LoadFeed();
         }
 
         /// <summary>
-        /// Method will be execute if the feed is ready
+        /// Override the OnNavigatedTo method
         /// </summary>
-        private void FeedIsReady()
+        /// <param name="e">Arguments of navigation</param>
+        protected override void OnNavigatedTo(NavigationEventArgs e)
         {
-            this.ResultList.ItemsSource = this.feed.Model.Activities;
-            App.SaveToIsolatedStorage<LectureList>(Constants.IsolatedStorageLectureModel, this.feed.Model);     
+             LectureList list = App.LoadFromIsolatedStorage<LectureList>(Constants.IsolatedStorageLectureModel);
+             this.ResultList.ItemsSource = list.Activities;
+            base.OnNavigatedTo(e);
         }
 
         /// <summary>
@@ -139,7 +132,7 @@ namespace CampusAppWP8.Pages.Lecture
         private void ShowModulWebPage(object sender, RoutedEventArgs e)
         {
             Button btn = (Button)sender;
-            Uri url = new Uri(Constants.PathLectureModulWebPage + Constants.Paramseparator + Constants.ParamLectureModulNumber + "=" + btn.Tag, UriKind.Relative);
+            Uri url = new Uri(Constants.PathLectureModulWebPage + "?" + Constants.ParamLectureModulNumber + "=" + btn.Tag, UriKind.Relative);
             NavigationService.Navigate(url);
         }
 
@@ -151,7 +144,7 @@ namespace CampusAppWP8.Pages.Lecture
         private void ShowDetailPage(object sender, RoutedEventArgs e)
         {
             Button btn = (Button)sender;
-            Uri url = new Uri(Constants.PathResultDetailWebPage + Constants.Paramseparator + Constants.ParamLectureActivityId + "=" + btn.Tag, UriKind.Relative);
+            Uri url = new Uri(Constants.PathResultDetailPage + "?" + Constants.ParamLectureActivityId + "=" + btn.Tag, UriKind.Relative);
             NavigationService.Navigate(url);
         }
     }
diff --git a/CampusAppWP8/CampusAppWP8/Properties/WMAppManifest.xml b/CampusAppWP8/CampusAppWP8/Properties/WMAppManifest.xml
index f4b319d3..b65e09d5 100644
--- a/CampusAppWP8/CampusAppWP8/Properties/WMAppManifest.xml
+++ b/CampusAppWP8/CampusAppWP8/Properties/WMAppManifest.xml
@@ -13,7 +13,7 @@
       <Capability Name="ID_CAP_ISV_CAMERA" />
     </Capabilities>
     <Tasks>
-      <DefaultTask Name="_default" NavigationPage="pages/StartPage.xaml" />
+      <DefaultTask Name="_default" NavigationPage="pages/Lecture/LecturePage.xaml" />
     </Tasks>
     <Tokens>
       <PrimaryToken TokenID="CampusAppWP8Token" TaskName="_default">
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
index 75da5d4b..89fc3666 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.Designer.cs
@@ -87,15 +87,6 @@ namespace CampusAppWP8.Resources {
             }
         }
         
-        /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die ? ähnelt.
-        /// </summary>
-        internal static string Paramseparator {
-            get {
-                return ResourceManager.GetString("Paramseparator", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die Url ähnelt.
         /// </summary>
@@ -117,9 +108,18 @@ namespace CampusAppWP8.Resources {
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die /Pages/Lecture/ResultDetailPage.xaml ähnelt.
         /// </summary>
-        internal static string PathResultDetailWebPage {
+        internal static string PathResultDetailPage {
             get {
-                return ResourceManager.GetString("PathResultDetailWebPage", resourceCulture);
+                return ResourceManager.GetString("PathResultDetailPage", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die /Pages/Lecture/ResultPage.xaml ähnelt.
+        /// </summary>
+        internal static string PathResultPage {
+            get {
+                return ResourceManager.GetString("PathResultPage", resourceCulture);
             }
         }
         
diff --git a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
index 95a62f96..6ec52b15 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
+++ b/CampusAppWP8/CampusAppWP8/Resources/Constants.resx
@@ -126,16 +126,13 @@
   <data name="ParamLectureModulNumber" xml:space="preserve">
     <value>ModulNumber</value>
   </data>
-  <data name="Paramseparator" xml:space="preserve">
-    <value>?</value>
-  </data>
   <data name="ParamUrl" xml:space="preserve">
     <value>Url</value>
   </data>
   <data name="PathLectureModulWebPage" xml:space="preserve">
     <value>/Pages/Lecture/ModulWebPage.xaml</value>
   </data>
-  <data name="PathResultDetailWebPage" xml:space="preserve">
+  <data name="PathResultDetailPage" xml:space="preserve">
     <value>/Pages/Lecture/ResultDetailPage.xaml</value>
   </data>
   <data name="UrlLectureModulBaseAddr" xml:space="preserve">
@@ -147,4 +144,7 @@
   <data name="UrlWebMailAddr" xml:space="preserve">
     <value>https://webmail.tu-cottbus.de</value>
   </data>
+  <data name="PathResultPage" xml:space="preserve">
+    <value>/Pages/Lecture/ResultPage.xaml</value>
+  </data>
 </root>
\ No newline at end of file