/// <summary>
        /// Function to fill Datagridview
        /// </summary>
        public void GridFill()
        {
            PurchaseOrderBll BllPurchaseOrder = new PurchaseOrderBll();
            try
            {

                List<DataTable> ListObjPurchaseOrderRegister = new List<DataTable>();

                if (txtOrderNo.Text.Trim() == string.Empty)
                {
                    strInvoiceNo = string.Empty;
                }
                else
                {
                    strInvoiceNo = txtOrderNo.Text;
                }
                if (cmbCashOrParty.SelectedIndex == 0 || cmbCashOrParty.SelectedIndex == -1)
                {
                    decLedgerId = -1;
                }
                else
                {
                    decLedgerId = Convert.ToDecimal(cmbCashOrParty.SelectedValue.ToString());
                }
                if (rbtnAll.Checked)
                {
                    strCondition = "All";
                }
                if (rbtnPendingOrder.Checked)
                {
                    strCondition = "Pending";
                }
                if (rbtnOverdue.Checked)
                {
                    strCondition = "Due";
                }
                if (rbtnCancelled.Checked)
                {
                    strCondition = "Cancelled";
                }
                DateTime FromDate = this.dtpFromDate.Value;
                DateTime ToDate = this.dtpToDate.Value;
                ListObjPurchaseOrderRegister = BllPurchaseOrder.PurchaseOrderMasterViewAll(strInvoiceNo, decLedgerId, FromDate, ToDate, strCondition);
                dgvPurchaseOrderRegister.DataSource = ListObjPurchaseOrderRegister[0];
                if (dgvPurchaseOrderRegister.Columns.Count > 0)
                {
                    dgvPurchaseOrderRegister.Columns["dgvtxtBillAmount"].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("POREG2:" + ex.Message, "Open Miracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }