private void txtItemName_TextChanged(object sender, EventArgs e)
        {
            if (cboStores.SelectedValue != null && (cboYear.SelectedItem != null))
            {
                Items itm = new Items();
                int storeId = (cboStores.SelectedValue != null) ? Convert.ToInt32(cboStores.SelectedValue) : 0;
                DataTable dtItm = new DataTable();
                if (txtItemName.Text != "")
                {

                        dtItm = ((ckExclude.Checked && ckExcNeverIssued.Checked) ? itm.GetReceivedNotIssuedItemsByKeyword(storeId, txtItemName.Text) : ((ckExclude.Checked) ? itm.ExcludeNeverReceivedItemsByKeyword(storeId, txtItemName.Text) : itm.GetItemByKeywordInList(txtItemName.Text)));

                }
                else
                {
                        dtItm = ((ckExclude.Checked && ckExcNeverIssued.Checked) ? itm.GetReceivedNotIssuedItems(storeId, Convert.ToInt32(lkCommodityTypes.EditValue)) : ((ckExclude.Checked) ? itm.ExcludeNeverReceivedItems(storeId, Convert.ToInt32(lkCommodityTypes.EditValue)) : itm.GetAllItems(1)));

                }
                PopulateItemList(dtItm);

            }
        }