Product Catelog App class in asp.net c# -3

 Abstract  Connection Class

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

/// <summary>
/// Summary description for Connection
/// </summary>
public class Connection
{
    SqlConnection sqlcon = new SqlConnection();
    string sqlConnect;

    public Connection()
    {
        sqlConnect = ConfigurationManager.ConnectionStrings["connsql"].ConnectionString;
    }

    protected SqlConnection FetchConnection()
    {
        sqlcon = new SqlConnection(sqlConnect);
        return sqlcon;

    }
}