private void ProfestionalAreaCombobox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            ComboBox cb = (ComboBox)sender;

            if (cb.Tag == null)
            {
                return;
            }
            string AreaKey = cb.Tag.ToString();

            foreach (PracticingLicense item in LicenseDbset.Local)
            {
                if (item.Key == AreaKey)
                {
                    ProfesstionalArea area = (ProfesstionalArea)cb.SelectedItem;
                    item.ProfessionalArea = area.Name;
                    break;
                }
            }
        }
        private void newAreaDialog_Confirmed(object sender, EventArgs e)
        {
            try
            {
                AskForText newAreaDialog = (AskForText)sender;
                string     newTitle      = newAreaDialog.Value;
                this.CloseDialog();

                if (this.ProfessionalDbset != null)
                {
                    ProfesstionalArea newPa = new ProfesstionalArea()
                    {
                        Key  = Encryption.GetUniqueKey(16),
                        Name = newTitle
                    };

                    this.ProfessionalDbset.Add(newPa);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("newAreaDialog_Confirmed: {0}", ex.Message);
            }
        }