diff --git a/accommodation/accommodation.pro b/accommodation/accommodation.pro
index edfc4da..8634a1f 100644
--- a/accommodation/accommodation.pro
+++ b/accommodation/accommodation.pro
@@ -17,7 +17,8 @@ SOURCES += accommodation.cpp \
     accommodationservice.cpp \
     tablemodel.cpp \
     acform.cpp \
-    accgrid.cpp
+    accgrid.cpp \
+    data/address.cpp
 
 HEADERS += accommodation.h\
         accommodation_global.h \
@@ -25,7 +26,9 @@ HEADERS += accommodation.h\
     accommodationservice.h \
     tablemodel.h \
     acform.h \
-    accgrid.h
+    accgrid.h \
+    data/address.h \
+    data/accommodation-data.h
 
 unix {
     target.path = /usr/lib
@@ -53,7 +56,7 @@ OTHER_FILES += \
 FORMS += \
     acform.ui
 
-ODB_FILES = accommodation/data/person.h
+ODB_FILES = accommodation/data/accommodation-data.h
 H_DIR = $$PWD/data/*.h
 include(../odb.pri)
 
diff --git a/accommodation/acform.cpp b/accommodation/acform.cpp
index e412f6c..1a8aaff 100644
--- a/accommodation/acform.cpp
+++ b/accommodation/acform.cpp
@@ -1,5 +1,8 @@
 #include "acform.h"
 #include "ui_acform.h"
+#include <QList>
+
+#include "accommodation-odb.hxx"
 
 AcForm::AcForm(QWidget *parent) :
     AutoForm<Person>(parent),
@@ -15,3 +18,14 @@ AcForm::~AcForm()
 {
     delete ui;
 }
+
+void AcForm::registerCombos()
+{
+    QList<ComboData> cbData;
+    Service<Address> srv;
+    foreach (QSharedPointer<Address> adr, srv.all()) {
+        cbData.append(ComboData(adr));
+    }
+
+    registerBinding(ui->address, cbData);
+}
diff --git a/accommodation/acform.h b/accommodation/acform.h
index 441c767..1b23103 100644
--- a/accommodation/acform.h
+++ b/accommodation/acform.h
@@ -5,6 +5,7 @@
 #include <autoform.h>
 
 #include "data/person.h"
+#include "accommodation-odb.hxx"
 
 namespace Ui {
 class AcForm;
@@ -20,6 +21,10 @@ public:
 
 private:
     Ui::AcForm *ui;
+
+    // AutoForm interface
+protected:
+    virtual void registerCombos();
 };
 
 #endif // ACFORM_H
diff --git a/accommodation/acform.ui b/accommodation/acform.ui
index 5e7aabe..f1b3c3d 100644
--- a/accommodation/acform.ui
+++ b/accommodation/acform.ui
@@ -46,6 +46,16 @@
     <string>PushButton</string>
    </property>
   </widget>
+  <widget class="QComboBox" name="address">
+   <property name="geometry">
+    <rect>
+     <x>110</x>
+     <y>170</y>
+     <width>191</width>
+     <height>22</height>
+    </rect>
+   </property>
+  </widget>
  </widget>
  <resources/>
  <connections/>
diff --git a/accommodation/data/accommodation-data.h b/accommodation/data/accommodation-data.h
new file mode 100644
index 0000000..bf6ad45
--- /dev/null
+++ b/accommodation/data/accommodation-data.h
@@ -0,0 +1,8 @@
+#ifndef ACCOMMODATIONDATA_H
+#define ACCOMMODATIONDATA_H
+
+#include "address.h"
+#include "person.h"
+
+#endif // ACCOMMODATIONDATA_H
+
diff --git a/accommodation/data/address.cpp b/accommodation/data/address.cpp
new file mode 100644
index 0000000..ba7cb5b
--- /dev/null
+++ b/accommodation/data/address.cpp
@@ -0,0 +1,58 @@
+#include "address.h"
+
+Address::Address(QObject *parent) : ComboItem(parent)
+{
+
+}
+
+Address::~Address()
+{
+
+}
+QString Address::city() const
+{
+    return m_city;
+}
+
+void Address::setCity(const QString &city)
+{
+    m_city = city;
+}
+QString Address::street() const
+{
+    return m_street;
+}
+
+void Address::setStreet(const QString &street)
+{
+    m_street = street;
+}
+QString Address::houseNumber() const
+{
+    return m_houseNumber;
+}
+
+void Address::setHouseNumber(const QString &houseNumber)
+{
+    m_houseNumber = houseNumber;
+}
+int Address::id() const
+{
+    return m_id;
+}
+
+void Address::setId(int id)
+{
+    m_id = id;
+}
+
+bool Address::eq(ComboItem *other)
+{
+    Address *addr = qobject_cast<Address*>(other);
+    return addr != NULL && m_id == addr->id();
+}
+
+QString Address::toString()
+{
+    return m_street + ", " + m_houseNumber + ", " + m_city;
+}
diff --git a/accommodation/data/address.h b/accommodation/data/address.h
new file mode 100644
index 0000000..c81bbfd
--- /dev/null
+++ b/accommodation/data/address.h
@@ -0,0 +1,55 @@
+#ifndef ADDRESS_H
+#define ADDRESS_H
+
+#include <QObject>
+#include <QString>
+
+#include <data/comboitem.h>
+
+#include <odb/core.hxx>
+
+#pragma db object
+class Address : public ComboItem
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QString city READ city WRITE setCity)
+    Q_PROPERTY(QString street READ street WRITE setStreet)
+    Q_PROPERTY(QString houseNumber READ houseNumber WRITE setHouseNumber)
+
+public:
+    explicit Address(QObject *parent = 0);
+    ~Address();
+
+    QString city() const;
+    void setCity(const QString &city);
+
+    QString street() const;
+    void setStreet(const QString &street);
+
+    QString houseNumber() const;
+    void setHouseNumber(const QString &houseNumber);
+
+    int id() const;
+    void setId(int id);
+
+private:
+    friend class odb::access;
+
+#pragma db id auto
+    int m_id;
+    QString m_city;
+    QString m_street;
+    QString m_houseNumber;
+
+signals:
+
+public slots:
+
+    // ComboItem interface
+public:
+    virtual bool eq(ComboItem *other);
+    virtual QString toString();
+};
+
+#endif // ADDRESS_H
diff --git a/accommodation/data/person.cpp b/accommodation/data/person.cpp
index e4304b7..850df47 100644
--- a/accommodation/data/person.cpp
+++ b/accommodation/data/person.cpp
@@ -1,16 +1,17 @@
+#include <data/comboitem.h>
 #include "person.h"
 
 Person::Person()
 {
 }
-int Person::getId() const
+int Person::id() const
 {
-    return id;
+    return m_id;
 }
 
 void Person::setId(int value)
 {
-    id = value;
+    m_id = value;
 }
 QString Person::getFirstName() const
 {
@@ -30,6 +31,19 @@ void Person::setLastName(const QString &value)
 {
     lastName = value;
 }
+QSharedPointer<QObject> Person::address() const
+{
+    return m_address;
+}
+
+void Person::setAddress(const QSharedPointer<QObject> &address)
+{
+    if (qobject_cast<Address*>(address.data()) != NULL)
+    {
+        m_address = qSharedPointerDynamicCast<Address, QObject>(address);
+    }
+}
+
 
 
 
diff --git a/accommodation/data/person.h b/accommodation/data/person.h
index 015b2f7..a2d3659 100644
--- a/accommodation/data/person.h
+++ b/accommodation/data/person.h
@@ -4,6 +4,8 @@
 #include <QObject>
 #include <QString>
 
+#include "address.h"
+
 #include <odb/core.hxx>
 
 #pragma db object
@@ -13,10 +15,11 @@ class Person : public QObject
 
     Q_PROPERTY(QString firstName READ getFirstName WRITE setFirstName)
     Q_PROPERTY(QString lastName READ getLastName WRITE setLastName)
+    Q_PROPERTY(QSharedPointer<QObject> address READ address WRITE setAddress)
 public:
     Person();
 
-    int getId() const;
+    int id() const;
     void setId(int value);
 
     QString getFirstName() const;
@@ -25,12 +28,16 @@ public:
     QString getLastName() const;
     void setLastName(const QString &value);
 
+    QSharedPointer<QObject> address() const;
+    void setAddress(const QSharedPointer<QObject> &address);
+
 private:
     friend class odb::access;
 #pragma db id auto
-    int id;
+    int m_id;
     QString firstName;
     QString lastName;
+    QSharedPointer<Address> m_address;
 
 };
 
diff --git a/core/autoform.h b/core/autoform.h
index 0ad1603..760b3dc 100644
--- a/core/autoform.h
+++ b/core/autoform.h
@@ -8,11 +8,16 @@
 #include <QMetaMethod>
 #include <QDebug>
 #include <QVariant>
+#include <QMessageBox>
+#include <QComboBox>
 
 #include "iform.h"
 #include "service.h"
 #include "ivalidator.h"
+#include "iservice.h"
+#include "iplugin.h"
 
+#include "combodata.h"
 
 template <class T>
 class AutoForm : public IForm
@@ -20,6 +25,8 @@ class AutoForm : public IForm
 public:
     explicit AutoForm(QWidget *parent = 0) : IForm(parent) {
         m_newRec = false;
+        m_serviceConnected = false;
+        m_saved = false;
     }
 
     virtual ~AutoForm() {
@@ -48,6 +55,10 @@ public:
         }
     }
 
+    void registerBinding(QComboBox *combo, const QList<ComboData> &values) {
+        m_bindCombos[combo] = values;
+    }
+
     void registerValidator(IValidator *validator) {
         m_validators.append(validator);
     }
@@ -55,18 +66,46 @@ public:
 protected:
     virtual void bindOtherToUi() {}
     virtual bool bindOtherToData() { return true; }
+    virtual void registerCombos() {}
 
 private:
     QSharedPointer<T> m_entity;
     QList<QWidget*> m_bindWidgets;
     QList<IValidator*> m_validators;
+    QHash<QComboBox*, QList<ComboData> > m_bindCombos;
     bool m_newRec;
 
     void bindToUi() {
+        registerCombos();
         foreach (QWidget *widget, m_bindWidgets) {
             const char* prop = widget->metaObject()->userProperty().name();
             widget->setProperty(prop, ((QObject*)m_entity.data())->property(widget->objectName().toStdString().c_str()));
         }
+
+        foreach (QComboBox *combo, m_bindCombos.keys()) {
+            int idx = 0;
+            QVariant field = ((QObject*)m_entity.data())->property(combo->objectName().toStdString().c_str());
+
+            combo->clear();
+            for (int i = 0; i < m_bindCombos[combo].size(); i++) {
+                ComboData data = m_bindCombos[combo][i];
+                combo->addItem(data.label(), data.index());
+
+                if (data.index().canConvert<QObject*>()) {
+                    ComboItem* ci = qobject_cast<ComboItem*>(data.index().value<QObject*>());
+                    ComboItem* ciField = qobject_cast<ComboItem*>(field.value<QObject*>());
+                    if (ci->eq(ciField)) {
+                        idx = i;
+                    }
+                }
+                else if (field == data.index()) {
+                    idx = i;
+                }
+            }
+
+            combo->setCurrentIndex(idx);
+        }
+
         bindOtherToUi();
     }
 
@@ -83,6 +122,10 @@ private:
             ((QObject*)m_entity.data())->setProperty(widget->objectName().toStdString().c_str(), widget->property(prop));
         }
 
+        foreach (QComboBox *combo, m_bindCombos.keys()) {
+            ((QObject*)m_entity.data())->setProperty(combo->objectName().toStdString().c_str(), combo->currentData());
+        }
+
         return bindOtherToData();
     }
 
@@ -93,14 +136,54 @@ public slots:
             return false;
         }
 
+        if (!m_serviceConnected)
+        {
+            connect(service(), &IService::dbError, [this](QString msg) {
+                QMessageBox::critical(this, tr("Database error"), tr(msg.toStdString().c_str()));
+                m_saved = false;
+            });
+            connect(service(), &IService::dataChanged, [this]() {
+                m_saved = true;
+            });
+            m_serviceConnected = true;
+        }
+
         if (m_newRec) {
-            emit recordAdded();
+            service()->save(entity());
+            if (m_saved)
+            {
+                emit recordAdded();
+            }
         } else {
-            emit recordUpdated();
+            service()->update(entity());
+            if (m_saved)
+            {
+                emit recordUpdated();
+            }
         }
 
-        return true;
+        return m_saved;
     }
+
+private:
+    Service<T> *service() {
+        IPlugin *plugin = Context::instance().plugin(pluginId());
+        if (plugin == NULL) {
+            Q_ASSERT(false);
+            return NULL;
+        }
+
+        Service<T> *service = plugin->service<T>();
+        if (service == NULL) {
+            Q_ASSERT(false);
+            return NULL;
+        }
+
+        return service;
+    }
+
+    bool m_serviceConnected;
+    bool m_saved;
 };
 
 #endif // AUTOFORM_H
diff --git a/core/autotablemodel.h b/core/autotablemodel.h
index 307319f..196b935 100644
--- a/core/autotablemodel.h
+++ b/core/autotablemodel.h
@@ -10,6 +10,7 @@
 #include "core_global.h"
 #include "exprevaluator.h"
 #include "itablemodel.h"
+#include "data/comboitem.h"
 
 template<class T>
 class AutoTableModel : public ITableModel
@@ -51,7 +52,13 @@ public:
             QSharedPointer<T> entity = m_list.at(index.row());
             QObject *rawEntity = (QObject*)entity.data();
 
-            return rawEntity->property(rawEntity->metaObject()->property(index.column() + 1).name());
+            QVariant dispData = rawEntity->property(rawEntity->metaObject()->property(index.column() + 1).name());
+            if (dispData.canConvert<QObject*>() && qobject_cast<ComboItem*>(dispData.value<QObject*>()))
+            {
+                return qobject_cast<ComboItem*>(dispData.value<QObject*>())->toString();
+            }
+
+            return dispData;
         }
 
         return QVariant::Invalid;
diff --git a/core/combodata.cpp b/core/combodata.cpp
new file mode 100644
index 0000000..8f02b40
--- /dev/null
+++ b/core/combodata.cpp
@@ -0,0 +1,42 @@
+#include "combodata.h"
+
+ComboData::ComboData(const QVariant &index, const QString &label)
+{
+    m_index = index;
+    m_label = label;
+}
+
+ComboData::ComboData(const QSharedPointer<QObject> &index)
+{
+    m_index = QVariant::fromValue(index);
+    ComboItem *ci = qobject_cast<ComboItem*>(index.data());
+
+    if (ci != NULL)
+    {
+        m_label = ci->toString();
+    }
+}
+
+ComboData::~ComboData()
+{
+}
+
+QVariant ComboData::index() const
+{
+    return m_index;
+}
+
+void ComboData::setIndex(const QVariant &index)
+{
+    m_index = index;
+}
+
+QString ComboData::label() const
+{
+    return m_label;
+}
+
+void ComboData::setLabel(const QString &label)
+{
+    m_label = label;
+}
diff --git a/core/combodata.h b/core/combodata.h
new file mode 100644
index 0000000..2e8bfff
--- /dev/null
+++ b/core/combodata.h
@@ -0,0 +1,28 @@
+#ifndef COMBODATA_H
+#define COMBODATA_H
+
+#include <QVariant>
+#include <QSharedDataPointer>
+
+#include "core_global.h"
+#include "data/comboitem.h"
+
+class CORESHARED_EXPORT ComboData
+{
+public:
+    ComboData(const QVariant &index, const QString &label);
+    ComboData(const QSharedPointer<QObject> &index);
+    ~ComboData();
+
+    QVariant index() const;
+    void setIndex(const QVariant &index);
+
+    QString label() const;
+    void setLabel(const QString &label);
+
+private:
+    QVariant m_index;
+    QString m_label;
+};
+
+#endif // COMBODATA_H
diff --git a/core/context.cpp b/core/context.cpp
index a28b97c..e052ee8 100644
--- a/core/context.cpp
+++ b/core/context.cpp
@@ -49,7 +49,7 @@ void Context::loadPlugins()
     m_plugins.append(new Users);
     m_plugins.append(new Roles);
 
-    QDir pluginsDir(qApp->applicationDirPath() + "/../plugins");
+    QDir pluginsDir(qApp->applicationDirPath() + "/../../plugins");
 
     foreach (QString fileName, pluginsDir.entryList(QStringList() << "*.so" << "*.dll")) {
         QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName));
@@ -96,10 +96,10 @@ void Context::destroy()
         m_dbOpened = false;
     }
 
-    if (m_settings != NULL && m_settings->parent() == NULL)
+    /*if (m_settings != NULL && m_settings->parent() == NULL)
     {
         delete m_settings;
-    }
+    }*/
 
     foreach (IPlugin *plugin, m_plugins)
     {
@@ -130,6 +130,11 @@ void Context::setCurrentUser(const QSharedPointer<User> &currentUser)
     m_currentUser = currentUser;
 }
 
+odb::session &Context::session()
+{
+    return m_session;
+}
+
 void Context::checkDb(const QString &path)
 {
     {
diff --git a/core/context.h b/core/context.h
index 17b9062..7d28143 100644
--- a/core/context.h
+++ b/core/context.h
@@ -37,6 +37,8 @@ public:
     QSharedPointer<User> currentUser() const;
     void setCurrentUser(const QSharedPointer<User> &currentUser);
 
+    odb::session &session();
+
 private:
     Context();
     QList<IPlugin*> m_plugins;
diff --git a/core/core.h b/core/core.h
index 0bfc109..851755f 100644
--- a/core/core.h
+++ b/core/core.h
@@ -8,5 +8,6 @@
 #include "transaction.h"
 #include "gridform.h"
 #include "permissionservice.h"
+#include "combodata.h"
 
 #endif // CORE_H
diff --git a/core/core.pro b/core/core.pro
index 509247f..ea2edf0 100644
--- a/core/core.pro
+++ b/core/core.pro
@@ -43,7 +43,9 @@ SOURCES += \
     savefilterdialog.cpp \
     filterdialog.cpp \
     itablemodel.cpp \
-    iservice.cpp
+    iservice.cpp \
+    combodata.cpp \
+    data/comboitem.cpp
 
 HEADERS += core.h\
         core_global.h \
@@ -84,7 +86,9 @@ HEADERS += core.h\
     filterdialog.h \
     itablemodel.h \
     data/core_global.h \
-    iservice.h
+    iservice.h \
+    combodata.h \
+    data/comboitem.h
 
 unix {
     target.path = /usr/lib
@@ -121,3 +125,5 @@ FORMS += \
 OTHER_FILES += \
     users/metaData.json \
     roles/metaData.json
+
+TRANSLATIONS = core_cz.ts
diff --git a/core/data/comboitem.cpp b/core/data/comboitem.cpp
new file mode 100644
index 0000000..04f2b3b
--- /dev/null
+++ b/core/data/comboitem.cpp
@@ -0,0 +1,11 @@
+#include "comboitem.h"
+
+ComboItem::ComboItem(QObject *parent)
+    :QObject(parent)
+{
+}
+
+ComboItem::~ComboItem()
+{
+}
+
diff --git a/core/data/comboitem.h b/core/data/comboitem.h
new file mode 100644
index 0000000..6540e65
--- /dev/null
+++ b/core/data/comboitem.h
@@ -0,0 +1,21 @@
+#ifndef COMBOITEM_H
+#define COMBOITEM_H
+
+#include "core_global.h"
+#include <QSharedPointer>
+#include <QVariant>
+#include <QObject>
+
+class CORESHARED_EXPORT ComboItem : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ComboItem(QObject *parent = NULL);
+    ~ComboItem();
+
+    virtual bool eq(ComboItem *other) = 0;
+    virtual QString toString() = 0;
+};
+
+#endif // COMBOITEM_H
diff --git a/core/formdialog.cpp b/core/formdialog.cpp
index 731e506..5d36b6e 100644
--- a/core/formdialog.cpp
+++ b/core/formdialog.cpp
@@ -39,3 +39,9 @@ void FormDialog::accept()
         QDialog::accept();
     }
 }
+
+void FormDialog::reject()
+{
+    m_form->refresh();
+    QDialog::reject();
+}
diff --git a/core/formdialog.h b/core/formdialog.h
index 2cdf9b4..0eaa584 100644
--- a/core/formdialog.h
+++ b/core/formdialog.h
@@ -31,6 +31,10 @@ private slots:
     // QDialog interface
 public slots:
     void accept();
+
+    // QDialog interface
+public slots:
+    void reject() override;
 };
 
 #endif // FORMDIALOG_H
diff --git a/core/gridform.h b/core/gridform.h
index 953098f..cb65446 100644
--- a/core/gridform.h
+++ b/core/gridform.h
@@ -10,8 +10,8 @@
 #include "autotablemodel.h"
 #include "context.h"
 #include "iplugin.h"
-
 #include "igridform.h"
+#include "iservice.h"
 
 template<class T>
 class GridForm : public IGridForm
@@ -20,14 +20,15 @@ class GridForm : public IGridForm
 public:
     explicit GridForm(QWidget *parent = 0) :
     IGridForm(parent)
-{
-    m_form = NULL;
-    m_tableModel = NULL;
-    m_formHandler = new DefaultFormHandler();
+    {
+        m_serviceConnected = false;
+        m_tableModel = NULL;
+        m_formHandler = new DefaultFormHandler();
+
+        m_filterUi = new FilterUi(this, new T);
+        filterWidget()->layout()->addWidget(m_filterUi);
+    }
 
-    m_filterUi = new FilterUi(this, new T);
-    filterWidget()->layout()->addWidget(m_filterUi);
-}
     virtual ~GridForm()
     {
         if (m_form != NULL && m_form->parent() == NULL)
@@ -43,20 +44,26 @@ public:
         delete m_formHandler;
     }
 
-    void setForm(AutoForm<T> *form) {
+    void setForm(AutoForm<T> *aForm) {
         Q_ASSERT(m_form == NULL);
 
-        m_form = form;
+        m_form = aForm;
 
         connect(m_form, &IForm::recordAdded, [this](){
-            service()->save(m_form->entity());
-            m_tableModel->addRow(m_form->entity());
+            //service()->save(form()->entity());
+            m_tableModel->addRow(form()->entity());
             emit dataChanged();
         });
         connect(m_form, &IForm::recordUpdated, [this](){
-            service()->update(m_form->entity());
+            //service()->update(form()->entity());
             emit dataChanged();
         });
+        connect(m_form, &IForm::refreshEntity, [this](){
+            if (m_tableModel != NULL) {
+                m_tableModel->setItemToIndex(tableView()->currentIndex(),
+                                             service()->reload(m_tableModel->itemFromIndex(tableView()->currentIndex())->id()));
+            }
+        });
     }
 
     void setTableModel(AutoTableModel<T> *tableModel) {
@@ -79,6 +86,8 @@ public slots:
             return;
         }
 
+        connectService();
+
         m_tableModel->setData(service()->all());
         tableView()->setModel(m_tableModel);
 
@@ -93,7 +102,6 @@ public slots:
     }
 
 private:
-    AutoForm<T> *m_form;
     AutoTableModel<T> *m_tableModel;
     IFormHandler *m_formHandler;
 
@@ -113,6 +121,26 @@ private:
         return service;
     }
 
+    AutoForm<T> *form() {
+        return (AutoForm<T>*)m_form;
+    }
+
+    void connectService() {
+        if (!m_serviceConnected)
+        {
+            connect(service(), &IService::dbErrorRead, [this](QString msg) {
+               QMessageBox::critical(this, tr("Database error"), tr(msg.toStdString().c_str()));
+            });
+            connect(service(), &IService::dbErrorDelete, [this](QString msg) {
+               QMessageBox::critical(this, tr("Database error"), tr(msg.toStdString().c_str()));
+            });
+
+            m_serviceConnected = true;
+        }
+    }
+
+    bool m_serviceConnected;
+
     // IGridForm interface
 protected:
     void handleNewRecord() override
@@ -123,8 +151,8 @@ protected:
             return;
         }
 
-        m_form->setEntity(QSharedPointer<T>(new T()));
-        m_form->setNewRec(true);
+        form()->setEntity(QSharedPointer<T>(new T()));
+        form()->setNewRec(true);
         m_formHandler->showForm(m_form);
     }
 
@@ -136,13 +164,14 @@ protected:
             return;
         }
 
-        m_form->setEntity(m_tableModel->itemFromIndex(tableView()->currentIndex()));
-        m_form->setNewRec(false);
+        form()->setEntity(m_tableModel->itemFromIndex(tableView()->currentIndex()));
+        form()->setNewRec(false);
         m_formHandler->showForm(m_form);
     }
 
     void handleDeleteRecord() override
     {
+        connectService();
         if (m_form == NULL || m_tableModel == NULL || tableView()->currentIndex().row() < 0)
         {
             Q_ASSERT(false);
diff --git a/core/iform.cpp b/core/iform.cpp
index 27d2b59..ded8846 100644
--- a/core/iform.cpp
+++ b/core/iform.cpp
@@ -8,3 +8,18 @@ IForm::~IForm()
 {
 }
 
+QString IForm::pluginId() const
+{
+    return m_pluginId;
+}
+
+void IForm::setPluginId(const QString &pluginId)
+{
+    m_pluginId = pluginId;
+}
+
+void IForm::refresh()
+{
+    emit refreshEntity();
+}
+
diff --git a/core/iform.h b/core/iform.h
index 5bee31f..7a99e96 100644
--- a/core/iform.h
+++ b/core/iform.h
@@ -2,6 +2,7 @@
 #define IFORM_H
 
 #include <QWidget>
+#include <QString>
 
 #include "core_global.h"
 
@@ -13,13 +14,21 @@ public:
     explicit IForm(QWidget *parent = 0);
     virtual ~IForm();
 
+    QString pluginId() const;
+    void setPluginId(const QString &pluginId);
+
 signals:
     void recordAdded();
     void recordUpdated();
     void validationError(const QString &errMessage);
+    void refreshEntity();
 
 public slots:
     virtual bool saveRecord() = 0;
+    void refresh();
+
+private:
+    QString m_pluginId;
 };
 
 #endif // IFORM_H
diff --git a/core/igridform.cpp b/core/igridform.cpp
index 986b03c..ef1d899 100644
--- a/core/igridform.cpp
+++ b/core/igridform.cpp
@@ -14,6 +14,7 @@ IGridForm::IGridForm(QWidget *parent) :
     ui->filterWidget->setVisible(false);
     m_contextMenu = new QMenu(this);
     m_contextMenu->addAction(ui->actionSelectColumns);
+    m_form = NULL;
 
     m_columnDialog = new ColumnDialog(this);
     connect(m_columnDialog, SIGNAL(accepted()), this, SLOT(columnsAccepted()));
@@ -32,6 +33,11 @@ void IGridForm::setPluginId(const QString &pluginId)
     {
         m_filterUi->setPluginId(pluginId);
     }
+
+    if (m_form != NULL)
+    {
+        m_form->setPluginId(pluginId);
+    }
 }
 
 QString IGridForm::pluginId()
diff --git a/core/igridform.h b/core/igridform.h
index 499dc6a..bf22dc6 100644
--- a/core/igridform.h
+++ b/core/igridform.h
@@ -60,6 +60,7 @@ private:
 
 protected:
     FilterUi *m_filterUi;
+    IForm *m_form;
 };
 
 #endif // IGRIDFORM_H
diff --git a/core/iservice.h b/core/iservice.h
index eabc038..e7fde5d 100644
--- a/core/iservice.h
+++ b/core/iservice.h
@@ -16,8 +16,13 @@ public:
 
 signals:
     void dbError(QString errMsg);
+    void dbErrorRead(QString errMsg);
+    void dbErrorInsert(QString errMsg);
+    void dbErrorUpdate(QString errMsg);
+    void dbErrorDelete(QString errMsg);
     void dataChanged();
-    void permissionDenied();
+    void updateDenied();
+    void readDenied();
 
 public slots:
 };
diff --git a/core/service.h b/core/service.h
index e6d1f48..9caa514 100644
--- a/core/service.h
+++ b/core/service.h
@@ -67,6 +67,7 @@ public:
         catch (const odb::exception &ex)
         {
             emit dbError(ex.what());
+            emit dbErrorUpdate(ex.what());
             return;
         }
 
@@ -88,6 +89,8 @@ public:
         catch (const odb::exception &ex)
         {
             emit dbError(ex.what());
+            emit dbErrorInsert(ex.what());
+            return;
         }
 
         emit dataChanged();
@@ -109,11 +112,21 @@ public:
         catch (const odb::exception &ex)
         {
             emit dbError(ex.what());
+            emit dbErrorRead(ex.what());
         }
 
         return entity;
     }
 
+    QSharedPointer<T> reload(int id) {
+        odb::database *db = Context::instance().db();
+
+        Q_ASSERT(db);
+
+        Context::instance().session().cache_erase<T>(*db, id);
+        return loadById(id);
+    }
+
     void erase(QSharedPointer<T> entity) {
         odb::database *db = Context::instance().db();
 
@@ -129,6 +142,7 @@ public:
         catch (const odb::exception &ex)
         {
             emit dbError(ex.what());
+            emit dbErrorDelete(ex.what());
         }
     }
 
diff --git a/odb.pri b/odb.pri
index 237db9a..43ad744 100644
--- a/odb.pri
+++ b/odb.pri
@@ -42,6 +42,7 @@ DEFINES += DATABASE_SQLITE
 #
 ODB_FLAGS += -I $$[QT_INSTALL_HEADERS]
 ODB_FLAGS += -I $$[QT_INSTALL_HEADERS]/QtCore
+ODB_FLAGS += -I $$PWD/core
 ODB_FLAGS += -D __PIC__
 
 win32 {