public void Button2_Click(object sender, EventArgs e)
        {
            AdminDataManager ADMgr = new AdminDataManager();
            string           name  = "?";
            int  total_days        = 0;
            bool doit = true;

            try
            {
                name       = this.TextBox4.Text.ToString();
                total_days = Int32.Parse(this.TextBox5.Text);
                if (name == "" || total_days < 1)
                {
                    doit = false;
                }
            }
            catch (Exception)
            {
                doit = false;
            }
            if (doit)
            {
                ADMgr.createItinerary(name, total_days);
                DataTable dt = ADMgr.getItinerary();
                GridView2.DataSource = dt;
                GridView2.DataBind();
            }
            else
            {
                this.TextBox15.Text = "Error Encountered. Please try again.";
            }
        }