private void BindTravellers()
 {
     try
     {
         ddlTraveller.Items.Clear();
         DataSet objDs = _objBALUser.GetAllTravellers();
         if (objDs.Tables[0].Rows.Count > 0)
         {
             ddlTraveller.DataSource     = objDs;
             ddlTraveller.DataValueField = "TravellerId";
             ddlTraveller.DataTextField  = "TravellerName";
             ddlTraveller.DataBind();
             ddlTraveller.Items.Insert(0, new System.Web.UI.WebControls.ListItem("ALL", "0"));
         }
         else
         {
             ddlTraveller.Items.Insert(0, new System.Web.UI.WebControls.ListItem("ALL", "0"));
         }
     }
     catch (Exception ex)
     {
         lblMsg.Text = _objBOUtiltiy.ShowMessage("danger", "Error", ex.Message);
     }
 }