private void backButton_Click(object sender, EventArgs e)
        {
            AddQuotes AddQ = (AddQuotes)Tag;

            AddQ.Show();
            Close();
        }
        private void addQuote_Click(object sender, EventArgs e)
        {
            AddQuotes addQ = new AddQuotes();

            addQ.Tag = this;
            addQ.Show(this);
            this.Hide();
        }