/// <summary>
        /// Populate the sub business entity drop down list
        /// </summary>
        protected void loadSubBusinessEntity()
        {
            String mbBEId = null;

            try
            {
                mbBEId = Session[SessionFactory.MAIN_BUSINESS_ENTITY_ID_STRING].ToString();
            }
            catch (Exception ex)
            {
            }
            if (mbBEId != null)
            {
                Dictionary <String, subBusinessEntity> subList = MainBusinessEntity.getSubEntitiesforMainEntitybyIdDB(mbBEId);
                foreach (KeyValuePair <String, subBusinessEntity> kvp in subList)
                {
                    ListItem ltSub = new ListItem();
                    ltSub.Text  = ((subBusinessEntity)kvp.Value).getSubEntityName();
                    ltSub.Value = kvp.Key.ToString();
                    DropDownList1.Items.Add(ltSub);
                }
                DropDownList1.SelectedIndex = 0;
            }
        }