public void refresh_Click(object sender, RoutedEventArgs e)
        {
            messagesTable obj = new messagesTable();

            ListItems.ItemsSource = obj.MyMessageCol;
            ListItems.Items.Add(messgesTableObj.ReadAsync(obj.MyMessageCol));
        }
        public async void sendButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                messagesTable obj = new messagesTable();
                obj.MyMessageCol = messagetextbx.Text;
                await messgesTableObj.InsertAsync(obj);

                jjj.Text = obj.MyMessageCol;
            }

            catch (Exception ex)
            {
                dialog.Text = "error" + ex;
            }
        }