private void cboStores_EditValueChanged(object sender, EventArgs e)
        {
            if (cboStores.EditValue == null) return;
            var iss = new IssueDoc();
            var dtRec = iss.GetDistinctIssueDocments(Convert.ToInt32(cboStores.EditValue));
            lstTree.DataSource = dtRec;

            DateTime dt1 = EthiopianDate.EthiopianDate.Now.StartOfFiscalYear.ToGregorianDate();
            DateTime dt2 = DateTime.Now;
            dtRec = iss.GetTransactionByDateRange(Convert.ToInt32(cboStores.EditValue),dt1,dt2);
            lblIssDate.Text = @"Current Year";
            gridIssues.DataSource = dtRec;
        }