/// <summary>
 ///to change the corresponding values in grid when cells changed 
 /// </summary>
 private void dgvProduct_CellLeave(object sender, DataGridViewCellEventArgs e)
 {
     try
     {
         SalesQuotationBll bllQuotation = new SalesQuotationBll();
         //DeliveryNoteMasterSP spDeliveryNoteMaster = new DeliveryNoteMasterSP();
         DeliveryNoteBll bllDeliveryNote = new DeliveryNoteBll();
         if (dgvProduct.Columns[e.ColumnIndex].Name == "dgvtxtQty")
         {
             decimal decCurrentQty = 0;
             decimal decOldQty = 0;
             if (dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value != null && dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString() != string.Empty)
             {
                 if (decDelivryNoteIdToEdit != 0)
                 {
                     if (cmbOrderNo.SelectedIndex != 0)
                     {
                         if (cmbDeliveryMode.Text == "Against Order")
                         {
                             List<DataTable> ListObj = new SalesOrderBll().SalesOrderDetailsViewBySalesOrderMasterIdWithRemaining(Convert.ToDecimal(cmbOrderNo.SelectedValue.ToString()), decDelivryNoteIdToEdit);
                             decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[0].Cells["dgvtxtQty"].Value.ToString());
                             decOldQty = Convert.ToDecimal(ListObj[0].Rows[0]["qty"].ToString());
                         }
                         else if (cmbDeliveryMode.Text == "Against Quotation")
                         {
                             List<DataTable> ListQuotationDetails = bllQuotation.SalesQuotationDetailsViewByquotationMasterIdWithRemainingByNotInCurrDN(Convert.ToDecimal(cmbOrderNo.SelectedValue.ToString()), decDelivryNoteIdToEdit);
                             if (ListQuotationDetails[0].Rows.Count >= 1)
                             {
                                 decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[0].Cells["dgvtxtQty"].Value.ToString());
                                 decOldQty = Convert.ToDecimal(ListQuotationDetails[0].Rows[0]["qty"].ToString());
                             }
                         }
                         if (bllDeliveryNote.DeliveryNoteMasterReferenceCheckRejectionIn(decDelivryNoteIdToEdit))
                         {
                             List<DataTable> listObjRejectionInQty = new List<DataTable>();
                             listObjRejectionInQty = bllDeliveryNote.DeliveryNoteMasterReferenceCheckRejectionInQty(decDelivryNoteIdToEdit);
                             decimal decRejectionInQty = decimal.Parse(listObjRejectionInQty[0].Rows[e.RowIndex]["qty"].ToString());
                             if (decimal.Parse(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString()) > decimal.Parse(listObjRejectionInQty[0].Rows[e.RowIndex]["qty"].ToString()))
                             {
                                 decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString());
                             }
                             else
                             {
                                 dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value = Convert.ToDecimal(decRejectionInQty);
                             }
                         }
                         if (bllDeliveryNote.DeliveryNoteCheckReferenceInSalesInvoice(decDelivryNoteIdToEdit))
                         {
                             List<DataTable> listObjSalesInvoiceQty = new List<DataTable>();
                             listObjSalesInvoiceQty = bllDeliveryNote.DeliveryNoteMasterReferenceCheckSalesInvoiceQty(decDelivryNoteIdToEdit);
                             decimal decSalesInvoiceQty = decimal.Parse(listObjSalesInvoiceQty[0].Rows[e.RowIndex]["qty"].ToString());
                             if (decimal.Parse(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString()) > decimal.Parse(listObjSalesInvoiceQty[0].Rows[e.RowIndex]["qty"].ToString()))
                             {
                                 decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString());
                             }
                             else
                             {
                                 dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value = Convert.ToDecimal(decSalesInvoiceQty);
                             }
                         }
                     }
                     else
                     {
                         Messages.InformationMessage("Select OrderNo");
                         cmbOrderNo.Focus();
                     }
                 }
                 if (decDelivryNoteIdToEdit == 0)
                 {
                     if (Convert.ToInt32(dgvProduct.Rows[dgvProduct.Rows.Count - 2].Cells["dgvtxtOrderDetailsId"].Value) != 0)
                     {
                         if (cmbDeliveryMode.Text == "Against Quotation")
                         {
                             List<DataTable> ListObj = bllQuotation.SalesQuotationDetailsViewByquotationMasterIdWithRemainingByNotInCurrDN(Convert.ToDecimal(cmbOrderNo.SelectedValue.ToString()), decDelivryNoteIdToEdit);
                             decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString());
                             decOldQty = Convert.ToDecimal(ListObj[0].Rows[e.RowIndex]["qty"].ToString());
                         }
                         else if (cmbDeliveryMode.Text == "Against Order")
                         {
                             List<DataTable> ListObj = new SalesOrderBll().SalesOrderDetailsViewBySalesOrderMasterIdWithRemaining(Convert.ToDecimal(cmbOrderNo.SelectedValue.ToString()), decDelivryNoteIdToEdit);
                             decCurrentQty = Convert.ToDecimal(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtQty"].Value.ToString());
                             decOldQty = Convert.ToDecimal(ListObj[0].Rows[e.RowIndex]["qty"].ToString());
                         }
                     }
                 }
             }
         }
         if (dgvProduct.Columns[e.ColumnIndex].Name == "dgvcmbUnit")
         {
             if (dgvProduct.Rows[e.RowIndex].Cells["dgvtxtProductCode"].Value != null && dgvProduct.Rows[e.RowIndex].Cells["dgvtxtProductCode"].Value.ToString() != string.Empty)
             {
                 if (dgvProduct.Rows[e.RowIndex].Cells["dgvcmbUnit"].Value != null && dgvProduct.Rows[e.RowIndex].Cells["dgvcmbUnit"].Value.ToString() != string.Empty)
                 {
                     UnitConvertionBll bllUnitConvertion = new UnitConvertionBll();
                     List<DataTable> ListObj = new List<DataTable>();
                     ListObj = bllUnitConvertion.UnitConversionIdAndConRateViewallByProductId(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtProductId"].Value.ToString());
                     foreach (DataRow drUnitByProduct in ListObj[0].Rows)
                     {
                         if (dgvProduct.Rows[e.RowIndex].Cells["dgvcmbUnit"].Value.ToString() == drUnitByProduct.ItemArray[0].ToString())
                         {
                             dgvProduct.Rows[e.RowIndex].Cells["dgvtxtUnitConversionId"].Value = Convert.ToDecimal(drUnitByProduct.ItemArray[2].ToString());
                             dgvProduct.Rows[e.RowIndex].Cells["dgvtxtConversionRate"].Value = Convert.ToDecimal(drUnitByProduct.ItemArray[3].ToString());
                             if (isDoAfterGridFill)
                             {
                                 decimal decNewConversionRate = Convert.ToDecimal(dgvProduct.Rows[e.RowIndex].Cells["dgvtxtConversionRate"].Value.ToString());
                                 decimal decNewRate = (decCurrentRate * decCurrentConversionRate) / decNewConversionRate;
                                 dgvProduct.Rows[e.RowIndex].Cells["dgvtxtRate"].Value = Math.Round(decNewRate, 2);
                             }
                         }
                     }
                 }
             }
         }
         if (dgvProduct.Columns[e.ColumnIndex].Name == "dgvtxtQty")
         {
             AmountCalculation("dgvtxtQty", e.RowIndex);
         }
         if (dgvProduct.Columns[e.ColumnIndex].Name == "dgvtxtRate")
         {
             AmountCalculation("dgvtxtRate", e.RowIndex);
         }
         else if (dgvProduct.Columns[e.ColumnIndex].Name == "dgvtxtAmount")
         {
             TotalAmountCalculation();
         }
         CheckInvalidEntries(e);
     }
     catch (Exception ex)
     {
         MessageBox.Show("DN70:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }