diff --git a/src/main/java/org/s4s/dao/ProductDAO.java b/src/main/java/org/s4s/dao/ProductDAO.java
index 44f14d9d4c9068861eeb420f7310bfdc21e1ba60..c1831b8003dd97cd4c925e47652e1103239d07bc 100644
--- a/src/main/java/org/s4s/dao/ProductDAO.java
+++ b/src/main/java/org/s4s/dao/ProductDAO.java
@@ -21,7 +21,7 @@ public interface ProductDAO {
 
     List<Product> getProductListById(int id) throws DAOException;
 
-    Shop getProductOwner(Product product) throws DAOException;
+    Shop getOwnerOfProduct(Product product) throws DAOException;
 
     List<Product> getAllProductsFromShop(int id) throws DAOException;
     
diff --git a/src/main/java/org/s4s/dao/impl/ProductDAOimpl.java b/src/main/java/org/s4s/dao/impl/ProductDAOimpl.java
index c7ce3cdc90d363965e858c3b0731264cf16f1006..abeb00c68f99f65ed40491e184b4bc201b36e165 100644
--- a/src/main/java/org/s4s/dao/impl/ProductDAOimpl.java
+++ b/src/main/java/org/s4s/dao/impl/ProductDAOimpl.java
@@ -29,10 +29,10 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
 
     private final List<Product> liste = new ArrayList<>();
     private static ProductDAO search = null;
-    
+
     private static final User user = (User) UI.getCurrent().getSession().getAttribute(Roles.CURRENTUSER);
     private final Statement statement = JDBCConnection.getInstance().getStatement();
-    
+
     //DB-Block
     Statement st;
     String sql_select;
@@ -104,8 +104,9 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
                 String kategorie = set.getString("kategorie");
                 double price = set.getDouble("preis");
                 String description = set.getString("beschreibung");
+                int sId = set.getInt("shopid");
 
-                p = new Product(name, pId, kategorie, price, description);
+                p = new Product(name, pId, kategorie, price, description, sId);
             }
         } catch (SQLException ex) {
             throw new DAOException(ex);
@@ -114,12 +115,13 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
     }
 
     @Override
-    public Shop getProductOwner(Product product) throws DAOException {
+    public Shop getOwnerOfProduct(Product product) throws DAOException {
         Shop s = new Shop();
         int tmp = product.getShopId();
-        try (ResultSet set = executeQuery("SELECT s.\"name\", s.\"shopid\""
-                + " FROM \"ERR\".\"shop\" s, \"ERR\".\"artikel\" a"
-                + " WHERE s.shopid = a.shopid AND a.shopid = ('" + tmp + "');")) {
+
+        try (ResultSet set = executeQuery("SELECT *"
+                + " FROM \"ERR\".\"shop\" s"
+                + " WHERE s.shopid = ('" + tmp + "');");) {
             while (set.next()) {
                 int shopId = set.getInt("shopid");
                 String name = set.getString("name");
@@ -182,13 +184,12 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
     @Override
     public boolean addProduct(String name, String beschreibung, double preis, Image pic, int shopID, int modulID, int cat) throws DAOException {
         boolean done = false;
-        
+
         try {
             sql_update = "INSERT INTO \"ERR\".\"artikel\"(name, beschreibung, preis, foto, shopid, modulid, kategorie) "
-                    + "VALUES(\'" + name + "\', \'" + beschreibung + "\', \'" + preis + "\', \'" + pic + "\', \'" + shopID + "\', \'" + modulID + "\', \'" + cat + "\')"; 
+                    + "VALUES(\'" + name + "\', \'" + beschreibung + "\', \'" + preis + "\', \'" + pic + "\', \'" + shopID + "\', \'" + modulID + "\', \'" + cat + "\')";
             int exe = JDBCConnection.getInstance().getStatement().executeUpdate(sql_update);
 
-            
             if (exe < 0) {
                 throw new DAOException("Wrong Input!");
             }
@@ -198,20 +199,19 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
             e.printStackTrace();
             System.out.println("Exception occur: " + e);
         }
-        
+
         return done;
     }
 
     @Override
     public boolean addProduct(String name, String beschreibung, Date dVon, Date dBis, double preis, Image pic, int shopID, int modulID, int cat) throws DAOException {
         boolean done = false;
-        
+
         try {
             sql_update = "INSERT INTO \"ERR\".\"artikel\"(name, beschreibung, datum_von, preis, datum_bis, foto, shopid, modulid, kategorie) "
                     + "VALUES(\'" + name + "\', \'" + beschreibung + "\', \'" + dVon + "\', \'" + preis + "\', \'" + dBis + "\', \'" + pic + "\', \'" + shopID + "\', \'" + modulID + "\', \'" + cat + "\')";
             int exe = JDBCConnection.getInstance().getStatement().executeUpdate(sql_update);
 
-            
             if (exe < 0) {
                 throw new DAOException("Wrong Input!");
             }
@@ -221,7 +221,7 @@ public class ProductDAOimpl extends AbstractDatabaseClass implements ProductDAO
             e.printStackTrace();
             System.out.println("Exception occur: " + e);
         }
-        
+
         return done;
     }
 }
diff --git a/src/main/java/org/s4s/dao/impl/ShopDAOimpl.java b/src/main/java/org/s4s/dao/impl/ShopDAOimpl.java
index 168aee234e6a47d60949acf8bc126fc9b4eb8b5b..c016606d02521162bae58c595551f1a2c247ad59 100644
--- a/src/main/java/org/s4s/dao/impl/ShopDAOimpl.java
+++ b/src/main/java/org/s4s/dao/impl/ShopDAOimpl.java
@@ -132,7 +132,7 @@ public class ShopDAOimpl extends AbstractDatabaseClass implements ShopDAO {
         Shop s = new Shop();
         try (ResultSet set = executeQuery("SELECT *"
                 + "FROM \"ERR\".\"shop\" "
-                + "WHERE besitzer = " + user.getUserId() + ";");) {
+                + "WHERE besitzer = ('" + user.getUserId() + "');");) {
             while (set.next()) {
                 int shopId = set.getInt("shopid");
                 String name = set.getString("name");
diff --git a/src/main/java/org/s4s/gui/views/ArtikelShopView.java b/src/main/java/org/s4s/gui/views/ArtikelShopView.java
index a894ed87f8a1ca5f440099d0215e4988483e50c3..96dc123e3f69becb96777772d42215511f38a02e 100644
--- a/src/main/java/org/s4s/gui/views/ArtikelShopView.java
+++ b/src/main/java/org/s4s/gui/views/ArtikelShopView.java
@@ -30,37 +30,37 @@ import org.s4s.services.util.Views;
  * @author Holger
  */
 public class ArtikelShopView extends TemplateView {
-
+    
     private final ProductControl controllerProducts = new ProductControl();
     private Product product = null;
-
+    
     @Override
     public void enter(ViewChangeListener.ViewChangeEvent event) {
         if (event.getParameters() != null) {
             // split at "/", add each part as a label
             String str = event.getParameters();
             int id = Integer.parseInt(str);
-
+            
             this.setUp(id);
         } else {
             Notification.show(null, "Kein Shop ausgewählt!", Notification.Type.HUMANIZED_MESSAGE);
             UI.getCurrent().getNavigator().navigateTo(Views.WELCOME);
         }
     }
-
+    
     public void setUp(int id) {
         VerticalLayout layout = new VerticalLayout();
         setSizeFull();
-
+        
         Button zurueckButton = new Button("Weitersuchen!");
-
+        
         zurueckButton.setIcon(FontAwesome.ARROW_LEFT);
         zurueckButton.addStyleName(ValoTheme.BUTTON_LINK);
-
+        
         zurueckButton.addClickListener((event) -> {
             UI.getCurrent().getNavigator().navigateTo(Views.SUCHE);
         });
-
+        
         BeanContainer<Integer, Product> dataProducts = new BeanContainer<>(Product.class);
         Table table = new Table("Products", dataProducts);
         dataProducts.setBeanIdProperty("id");
@@ -78,7 +78,8 @@ public class ArtikelShopView extends TemplateView {
         table.setColumnHeader("price", "Preis in €");
         layout.addComponent(table);
         table.setSizeFull();
-
+        table.setSelectable(true);
+        
         table.addItemClickListener((ItemClickEvent event) -> {
             BeanItem<Product> productBean = dataProducts.getItem(event.getItemId());
             product = productBean.getBean();
@@ -87,8 +88,8 @@ public class ArtikelShopView extends TemplateView {
             }
         });
         layout.addComponent(zurueckButton);
-
+        
         super.setUpFooterAndHeader(layout);
-
+        
     }
 }
diff --git a/src/main/java/org/s4s/gui/views/ArtikeldetailsView.java b/src/main/java/org/s4s/gui/views/ArtikeldetailsView.java
index 0b7002661ce97c60a8959cda8f5e9c991ab7e1d4..d6a8a370e365782fd4e058c785d1af8a70f87056 100644
--- a/src/main/java/org/s4s/gui/views/ArtikeldetailsView.java
+++ b/src/main/java/org/s4s/gui/views/ArtikeldetailsView.java
@@ -37,9 +37,7 @@ public class ArtikeldetailsView extends TemplateView {
             // split at "/", add each part as a label
             String str = event.getParameters();
             int id = Integer.parseInt(str);
-            for (Product p : warenkorb.inhalt()) {
-                System.out.println(p.getName());
-            }
+            System.out.println(id);
             this.setUp(id);
         } else {
             Notification.show(null, "Kein Artikel ausgewählt!", Notification.Type.HUMANIZED_MESSAGE);
@@ -51,9 +49,7 @@ public class ArtikeldetailsView extends TemplateView {
         try {
             this.setSizeFull();
             product = controllerProduct.getProductById(id);
-            shop = controllerProduct.getProductOwner(product);
-            System.out.println(shop.getName());
-            System.out.println(shop.getShopId());
+            shop = controllerProduct.getOwnerOfProduct(product);
             HorizontalLayout horizontalLayout = new HorizontalLayout();
             Panel p = new Panel("Name: " + product.getName());
             Panel p1 = new Panel("Beschreibung: " + product.getDescription());
diff --git a/src/main/java/org/s4s/gui/views/ArtikelerstellungsView.java b/src/main/java/org/s4s/gui/views/ArtikelerstellungsView.java
index ca496a0145b9f597d58ad0c6e80e2edfe71f169e..c05cee3b54ef6b8e380042ce629ab916d5e69910 100644
--- a/src/main/java/org/s4s/gui/views/ArtikelerstellungsView.java
+++ b/src/main/java/org/s4s/gui/views/ArtikelerstellungsView.java
@@ -57,6 +57,11 @@ public class ArtikelerstellungsView extends TemplateView implements View {
 
     @Override
     public void enter(ViewChangeListener.ViewChangeEvent event) {
+        if (UI.getCurrent().getSession().getAttribute(Roles.CURRENTUSER) == null) {
+            User user = (User) UI.getCurrent().getSession().getAttribute(Roles.CURRENTUSER);
+            Notification.show(null, "Sie müssen eingeloggt sein, um Artikel zu inserieren!", Notification.Type.HUMANIZED_MESSAGE);
+            UI.getCurrent().getNavigator().navigateTo(Views.WELCOME);
+        }
         setUp();
     }
 
@@ -172,10 +177,10 @@ public class ArtikelerstellungsView extends TemplateView implements View {
                 mList.iterator().remove();
             }
         } catch (Exception e) {
+            Logger.getLogger(ArtikelerstellungsView.class.getName()).log(Level.SEVERE, null, e);
         }
         nsModul.setNullSelectionAllowed(false);
         // Kann hier jemand den Fehler finden? <------------------------------------------
-
         HorizontalLayout hKommand = new HorizontalLayout(bAbbrechen, bErstellen);
         HorizontalLayout hVerfuegbarkeit = new HorizontalLayout(dfVon, dfBis);
         HorizontalLayout hKriterien = new HorizontalLayout(nsKategorie, nsModul);
diff --git a/src/main/java/org/s4s/gui/views/SucheView.java b/src/main/java/org/s4s/gui/views/SucheView.java
index 79b629cca86919df713a9c939cb4ff7619a29e92..f0ed1c9bb83c292d8727e489f10c6952405c5e97 100644
--- a/src/main/java/org/s4s/gui/views/SucheView.java
+++ b/src/main/java/org/s4s/gui/views/SucheView.java
@@ -53,13 +53,18 @@ public class SucheView extends TemplateView {
     public void setUp() {
 
         final VerticalLayout contentLayout = new VerticalLayout();
-        super.setUpFooterAndHeader(contentLayout);
 
+        super.setUpFooterAndHeader(contentLayout);
         setSizeFull();
-        contentLayout.addComponent(tableShops);
-        contentLayout.setComponentAlignment(tableShops, Alignment.TOP_LEFT);
-        contentLayout.addComponent(tableProducts);
-        contentLayout.setComponentAlignment(tableProducts, Alignment.TOP_LEFT);
+        addComponent(contentLayout);
+        final VerticalLayout layout = new VerticalLayout();
+        layout.addComponent(tableShops);
+        layout.setComponentAlignment(tableShops, Alignment.TOP_LEFT);
+
+        layout.addComponent(tableProducts);
+        layout.setComponentAlignment(tableProducts, Alignment.TOP_LEFT);
+        contentLayout.addComponent(layout);
+        contentLayout.setComponentAlignment(layout, Alignment.TOP_LEFT);
         tableProducts.setSizeFull();
         tableProducts.setSelectable(true);
         tableProducts.setWidth("100%");
diff --git a/src/main/java/org/s4s/gui/views/TemplateView.java b/src/main/java/org/s4s/gui/views/TemplateView.java
index d7f014b3dffed93acbd76ceb1ef7626688bed896..ea6bddc4942a73add7e237d37cfef62ec62e7569 100644
--- a/src/main/java/org/s4s/gui/views/TemplateView.java
+++ b/src/main/java/org/s4s/gui/views/TemplateView.java
@@ -90,9 +90,9 @@ public class TemplateView extends VerticalLayout implements View {
                         UI.getCurrent().getNavigator().navigateTo(Views.WARENKORB);
                         break;
 
-                    case "Kasse":
-                        UI.getCurrent().getNavigator().navigateTo(Views.CHECKOUT);
-                        break;
+                    // case "Kasse":
+                    //     UI.getCurrent().getNavigator().navigateTo(Views.CHECKOUT);
+                    //     break;
                     case "Login":
                         UI.getCurrent().getNavigator().navigateTo(Views.LOGIN);
                         break;
@@ -108,7 +108,7 @@ public class TemplateView extends VerticalLayout implements View {
                         LogoutControl.logout();
                         UI.getCurrent().getNavigator().navigateTo(Views.WELCOME);
                         break;
-                    case "Shop anzeigen":    
+                    case "Shop anzeigen":
                         UI.getCurrent().getNavigator().navigateTo(Views.SHOPVIEW);
                         break;
                     case "Kontakt":
@@ -139,12 +139,12 @@ public class TemplateView extends VerticalLayout implements View {
 
 // Yet another top-level item
         MenuBar.MenuItem shoppingCardItem = barmenu.addItem("Warenkorb", null, mycommand);
-        MenuBar.MenuItem checktoutItem = barmenu.addItem("Kasse", null, mycommand);
+        //MenuBar.MenuItem checktoutItem = barmenu.addItem("Kasse", null, mycommand);
         MenuBar.MenuItem loginItem = barmenu.addItem("Login", null, mycommand);
         MenuBar.MenuItem registerItem = barmenu.addItem("Registrieren", null, mycommand);
         MenuBar.MenuItem shopItem = barmenu.addItem("Shop erstellen", null, mycommand);
         MenuBar.MenuItem shopItem2 = barmenu.addItem("Shop anzeigen", null, mycommand);
-        
+
         MenuBar.MenuItem userItem = barmenu.addItem("Mein Konto", null, null);
 
         userItem.addItem("Einstellungen", null, mycommand);
@@ -180,7 +180,7 @@ public class TemplateView extends VerticalLayout implements View {
         } else {
             registerItem.setVisible(false);
             loginItem.setVisible(false);
-            
+
             User user = (User) UI.getCurrent().getSession().getAttribute(Roles.CURRENTUSER);
             ShopControl control = new ShopControl();
             if (control.viewShop(user)) {
diff --git a/src/main/java/org/s4s/process/control/ArtikelerstellungsControl.java b/src/main/java/org/s4s/process/control/ArtikelerstellungsControl.java
index e7a7a16f503693fa261a70917d9a352a01630ae8..551bb688e90c4d8e7e628918e0008c639a5ebe78 100644
--- a/src/main/java/org/s4s/process/control/ArtikelerstellungsControl.java
+++ b/src/main/java/org/s4s/process/control/ArtikelerstellungsControl.java
@@ -9,6 +9,7 @@ import com.vaadin.ui.Image;
 import java.util.Date;
 import java.util.List;
 import org.s4s.dao.ProductDAO;
+import org.s4s.dao.impl.ProductDAOimpl;
 import org.s4s.exceptions.DAOException;
 import org.s4s.modell.dto.Product;
 
@@ -20,6 +21,10 @@ public class ArtikelerstellungsControl {
 
     private static ProductDAO pDAO = null;
 
+    public ArtikelerstellungsControl() {
+        pDAO = ProductDAOimpl.getInstance();
+    }
+
     public List<Product> getProductByDescription(String typ) throws DAOException {
         throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
     }
diff --git a/src/main/java/org/s4s/process/control/ProductControl.java b/src/main/java/org/s4s/process/control/ProductControl.java
index 1ed30febc6ec6d24fcf5890704cf0eccf5759b0f..7962e2e88035cb02795fbf9c174ca22aaf687bd2 100644
--- a/src/main/java/org/s4s/process/control/ProductControl.java
+++ b/src/main/java/org/s4s/process/control/ProductControl.java
@@ -31,8 +31,8 @@ public class ProductControl {
         return dao.getProductById(id);
     }
 
-    public Shop getProductOwner(Product product) throws DAOException {
-        return dao.getProductOwner(product);
+    public Shop getOwnerOfProduct(Product product) throws DAOException {
+        return dao.getOwnerOfProduct(product);
     }
 
     public List<Product> getProductListById(int id) throws DAOException {