Another Simple Wait Page

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page {
    protected void Page_Load (object sender, EventArgs e) {

    }

    protected void btnSubmit_Click (object sender, EventArgs e) {
        if (!this.IsValid) {
            return;
        }
    }

    public int Minute {
        get {
            int minute = 0;
            int.TryParse(txtMinute.Text, out minute);
            return minute;
        }
    }
}