protected void Page_Load(object sender, EventArgs e)
 {
     objcustomer = new clsCustomer();
     sCOM        = new Common();
     uname       = (String)Session["uname"];
     if (uname != null)
     {
         txtuname.Text = uname;
     }
     else
     {
         txtuname.Text = "travelagent";
     }
     if (!Page.IsPostBack)
     {
         if (Request.QueryString["action"] == "add")
         {
             txtcustcode.Text = sCOM.setAutoID("Customer", "CustCode").ToString();
         }
         else if (Request.QueryString["action"] == "edit")
         {
             if (Request.QueryString["ec"] != null)
             {
                 string ec = (Request.QueryString["ec"].ToString());
                 objcustomer      = objcustomer.GetData(ec);
                 txtcustcode.Text = objcustomer.CustCode.ToString();
                 txtcustname.Text = objcustomer.CustName;
                 txtuname.Text    = objcustomer.UserName;
                 txtaddress.Text  = objcustomer.Address;
                 txttphone.Text   = objcustomer.Telephone;
                 txtmobile.Text   = objcustomer.Mobile;
                 txtemail.Text    = objcustomer.Email;
             }
         }
         else
         {
             //Error Page
         }
     }
 }