/// <summary>
        /// Handles the changed event of the store combo bo
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void cboStores_SelectedValueChanged(object sender, EventArgs e)
        {
            if (cboStores.EditValue != null)
            {
                int currentMonth = EthiopianDate.EthiopianDate.Now.Month;
                var expDate = EthiopianDate.EthiopianDate.EthiopianToGregorian(String.Format("{0}/{1}/{2}", 1, currentMonth, Convert.ToInt32(cboYear.EditValue)));

                Items itm = new Items();
                DataTable dtItem = itm.GetExpiredItemsByBatch(Convert.ToInt32(cboStores.EditValue));
                PopulateItemList(dtItem);
            }
        }
 /// <summary>
 /// Handles the changed event of the radio group
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void radioGroup1_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (cboStores.EditValue != null)
     {
         Items itm = new Items();
         _selectedType = rdDrug.EditValue.ToString();
         DataTable dtItem = itm.GetExpiredItemsByBatch(Convert.ToInt32(cboStores.EditValue), Convert.ToInt32(lkCommodityTypes.EditValue), Convert.ToInt32(cboReasons.EditValue));//
         PopulateItemList(dtItem);
         PopulateCatTree(_selectedType);
     }
 }