Hit counter for application (Total Visit of Web Application)

Hit Counter for Application without Database:

count.ascx :


<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="count.ascx.cs" Inherits="SRTT_HEALTH.uiControl.count" %>
<tr>
<td align="center" height="20">Total Visit of Web Application : <asp:Label ID="lblCounter" runat="server"></asp:Label><br>

Total No of Current Visitors : <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
    </td>
</tr>

count.ascx.cs :


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

namespace HEALTH.uiControl
{
    public partial class count : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
           
            Label1.Text=Application["Visitors"].ToString();
           
            this.hitcount();

            DataSet DS = new DataSet();
            DS.ReadXml(Server.MapPath("~/ErrorLog/counter.xml"));

            lblCounter.Text = DS.Tables[0].Rows[0]["hits"].ToString();
           
        }

        private void hitcount()
        {
            DataSet DS = new DataSet();
            DS.ReadXml(Server.MapPath("~/ErrorLog/counter.xml"));

            int hits = Int32.Parse(DS.Tables[0].Rows[0]["hits"].ToString());

            hits += 1;

            DS.Tables[0].Rows[0]["hits"] = hits.ToString();

            DS.WriteXml(Server.MapPath("~/ErrorLog/counter.xml"));
         
        }
    }
}