diff --git a/Gui/CustomerTables.qml b/Gui/CustomerTables.qml
index 5bc8564..9e0c015 100644
--- a/Gui/CustomerTables.qml
+++ b/Gui/CustomerTables.qml
@@ -25,7 +25,8 @@ Item {
         //width: icon.width
         anchors.right: parent.right
         flat: true
-        onClicked: appLoader.source = "AddCustomer.qml"
+        // onClicked: appLoader.source = "AddCustomer.qml"
+        onClicked: bm.setVisibleColumns(["gecos", "userid"])
     }
 
 
diff --git a/lib/DB/BusinessModel.py b/lib/DB/BusinessModel.py
index 62dcbad..75340c4 100644
--- a/lib/DB/BusinessModel.py
+++ b/lib/DB/BusinessModel.py
@@ -12,18 +12,43 @@ CUSTOMER_COLUMN_NAMES = \
     "gecos": "Information"
 }
 
+CUSTOMER_COLUMN_INDEX = \
+{
+    "userid": 0,
+    "username": 1,
+    "password": 2,
+    "enabled": 3,
+    "roleid": 4,
+    "gecos": 5
+}
+
+CUSTOMER_COLUMN = \
+{
+    0: "userid",
+    1: "username",
+    2: "password",
+    3: "enabled",
+    4: "roleid",
+    5: "gecos"
+}
+
 class BusinessModel(QAbstractTableModel):
+    __visible_index = {}
+    __col_name = ""
 
     def __init__(self, con, cols):
         super().__init__()
         self.__con = con
         self.__visible_columns = cols
         self.__data = self.__getData()
+        for col in cols:
+            self.__visible_index[col] = CUSTOMER_COLUMN_INDEX[col]
 
     def __getData(self):
         cursor = self.__con.cursor()
         cursor.execute("SELECT * FROM users")
         self.__all_cols = [desc[0] for desc in cursor.description]
+        #print(self.__all_cols)
         rows = cursor.fetchall()
         return rows
 
@@ -35,21 +60,28 @@ class BusinessModel(QAbstractTableModel):
 
     def data(self, index, role= Qt.DisplayRole):
         if role == Qt.DisplayRole:
-            # row = index.row()
             row = self.__data[index.row()]
-            col_name = self.__visible_columns[index.column()]
-            col_index = self.__all_cols.index(col_name)
+            self.__col_name = self.__visible_columns[index.column()]
+            col_index = self.__visible_index[self.__col_name]
             return row[col_index]
         return None
 
     def headerData(self, section, orientation, role= Qt.DisplayRole):
-        #header= ["ID", "Benutzername", "Passwort", "Information", "Rolle", "Aktiv"]
         if orientation == Qt.Horizontal and role ==Qt.DisplayRole:
-            #return header[section]
-            col_name = self.__visible_columns[section]
-            return CUSTOMER_COLUMN_NAMES.get(col_name, col_name)
+            self.__col_name = self.__visible_columns[section]
+            return CUSTOMER_COLUMN_NAMES.get(self.__col_name, self.__col_name)
         return super().headerData(section, orientation, role)
-        #return None
+
+    @Slot(dict)
+    def setVisibleColumns(self, cols):
+        self.__visible_columns.clear()
+        self.__visible_index.clear()
+        for col, val in cols.items():
+            self.__visible_index[val] = CUSTOMER_COLUMN_INDEX[cols[col]]
+            self.__visible_columns.append(cols[col])
+        # self.headerDataChanged.emit()
+        # self.dataChanged.emit()
+        self.layoutChanged.emit()
 
     @Slot(int)
     def onRowClicked(self, row):