diff --git a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureList.cs b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureList.cs
index 39ede37a..3229b8d0 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureList.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureList.cs
@@ -52,6 +52,24 @@ namespace CampusAppWP8.Model.Lecture
             return activity;
         }
 
+        /// <summary>Filter by course string.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <param name="filter">Specifies the filter.</param>
+        public void FilterByCourseTitle(string filter)
+        {
+            ObservableCollection<LectureActivity> filteredCollection = new ObservableCollection<LectureActivity>();
+            filter = filter.Trim().ToLower();
+            foreach (LectureActivity activity in this.Activities)
+            {
+                activity.CreateCourseString();
+                if (activity.Title.ToLower().Contains(filter)) 
+                {
+                    filteredCollection.Add(activity);
+                }
+            }
+
+            this.Activities = filteredCollection;
+        }
         #endregion
     }
 }
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
index 0ed9ee1b..f596f801 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/LecturePage.xaml.cs
@@ -9,6 +9,7 @@ namespace CampusAppWP8.Pages.Lecture
 {
     using System;
     using System.Collections.Generic;
+    using System.Linq;
     using System.Windows;
     using System.Windows.Navigation;
     using CampusAppWP8.Api.Lecture;
@@ -17,6 +18,7 @@ namespace CampusAppWP8.Pages.Lecture
     using CampusAppWP8.Resources;
     using CampusAppWP8.Utility.Lui.MessageBoxes;
     using Microsoft.Phone.Controls;
+    using System.Collections.ObjectModel;
 
     /// <summary>
     /// Class for the LecturePage
@@ -63,7 +65,7 @@ namespace CampusAppWP8.Pages.Lecture
         #region methods
 
         #region protected
-        
+
         /// <summary>
         /// Methods overrides the  OnNavigatedFrom-Method
         /// </summary>
@@ -198,6 +200,11 @@ namespace CampusAppWP8.Pages.Lecture
         /// </summary>
         private void ApiIsReady()
         {
+            string query = this.ActivtyName.Text;
+            if (!query.Equals(string.Empty))
+            {
+                this.api.Model.FilterByCourseTitle(query);
+            }
             App.SaveToIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel, this.api.Model);
             this.ProgressBar.Visibility = System.Windows.Visibility.Collapsed;
             Uri url = new Uri(Constants.PathLecture_ResultPage, UriKind.Relative);
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
index f464c0d3..47d94d1f 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Lecture/ResultPage.xaml.cs
@@ -9,9 +9,11 @@ namespace CampusAppWP8.Pages.Lecture
 {
     using System;
     using System.Linq;
+    using System.Windows;
     using System.Windows.Navigation;
     using CampusAppWP8.Model.Lecture;
     using CampusAppWP8.Resources;
+    using CampusAppWP8.Utility.Lui.MessageBoxes;
     using Microsoft.Phone.Controls;
 
     /// <summary>
@@ -33,6 +35,7 @@ namespace CampusAppWP8.Pages.Lecture
         /// <param name="e">Arguments of navigation</param>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
+            base.OnNavigatedTo(e);   
             LectureList list = App.LoadFromIsolatedStorage<LectureList>(Constants.IsolatedStorage_LectureModel);
             if (list == null)
             {
@@ -41,8 +44,20 @@ namespace CampusAppWP8.Pages.Lecture
                 return;
             }
 
-            this.ResultList.ItemsSource = list.Activities.OrderByDescending(o => o.Type).ThenBy(o => o.Title).ToList();
-            base.OnNavigatedTo(e);            
+            if (list.Activities.Count > 0)
+            {
+
+                this.ResultList.ItemsSource = list.Activities.OrderByDescending(o => o.Type).ThenBy(o => o.Title).ToList();
+            }
+            else
+            {
+                MessageBoxResult result = MessageBoxes.ShowMainModelInfoMessageBox(AppResources.MsgBox_NoResult);
+
+                if (result == MessageBoxResult.OK)
+                {
+                    NavigationService.GoBack();
+                }
+            }                    
         }
     }
 }
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Resources/AppResources.Designer.cs b/CampusAppWP8/CampusAppWP8/Resources/AppResources.Designer.cs
index eb9cd698..8acbfeac 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/AppResources.Designer.cs
+++ b/CampusAppWP8/CampusAppWP8/Resources/AppResources.Designer.cs
@@ -645,6 +645,24 @@ namespace CampusAppWP8.Resources {
             }
         }
         
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die Hinweis ähnelt.
+        /// </summary>
+        public static string MsgBox_InfoHeader {
+            get {
+                return ResourceManager.GetString("MsgBox_InfoHeader", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Sucht eine lokalisierte Zeichenfolge, die Es gibt keine Ergebnisse zur gestellten Anfrage ähnelt.
+        /// </summary>
+        public static string MsgBox_NoResult {
+            get {
+                return ResourceManager.GetString("MsgBox_NoResult", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Sucht eine lokalisierte Zeichenfolge, die News ähnelt.
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Resources/AppResources.resx b/CampusAppWP8/CampusAppWP8/Resources/AppResources.resx
index 24bed03d..133f3b14 100644
--- a/CampusAppWP8/CampusAppWP8/Resources/AppResources.resx
+++ b/CampusAppWP8/CampusAppWP8/Resources/AppResources.resx
@@ -446,4 +446,10 @@
   <data name="PlaceNewsApp_Title" xml:space="preserve">
     <value>Placenews</value>
   </data>
+  <data name="MsgBox_InfoHeader" xml:space="preserve">
+    <value>Hinweis</value>
+  </data>
+  <data name="MsgBox_NoResult" xml:space="preserve">
+    <value>Es gibt keine Ergebnisse zur gestellten Anfrage</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Utility/Lui/MessageBoxes/MessageBoxes.cs b/CampusAppWP8/CampusAppWP8/Utility/Lui/MessageBoxes/MessageBoxes.cs
index f444fc12..98b696d5 100644
--- a/CampusAppWP8/CampusAppWP8/Utility/Lui/MessageBoxes/MessageBoxes.cs
+++ b/CampusAppWP8/CampusAppWP8/Utility/Lui/MessageBoxes/MessageBoxes.cs
@@ -33,5 +33,14 @@ namespace CampusAppWP8.Utility.Lui.MessageBoxes
         {
             return MessageBox.Show(text, AppResources.MsgBox_ErrorHeader, MessageBoxButton.OK);
         }
+
+        /// <summary>Shows the main model information message box.</summary>
+        /// <remarks>Stubbfel, 10.09.2013.</remarks>
+        /// <param name="text">custom text for the box.</param>
+        /// <returns>.</returns>
+        public static MessageBoxResult ShowMainModelInfoMessageBox(string text)
+        {
+            return MessageBox.Show(text, AppResources.MsgBox_InfoHeader, MessageBoxButton.OK);
+        }
     }
 }