private void BindOrderStatus()
        {
            ddlOrderStatus.Items.Clear();
            DataSet   dsOrderStatus;
            DataTable dtOrderStatus;

            dsOrderStatus = OnlineMFOrderBo.GetOrderIssueStatus();
            dtOrderStatus = dsOrderStatus.Tables[0];
            if (dtOrderStatus.Rows.Count > 0)
            {
                for (int i = dtOrderStatus.Rows.Count - 1; i >= 0; i--)
                {
                    if (dtOrderStatus.Rows[i][1].ToString() == "INPROCESS" || dtOrderStatus.Rows[i][1].ToString() == "EXECUTED")
                    {
                        dtOrderStatus.Rows[i].Delete();
                    }
                }
                dtOrderStatus.AcceptChanges();
                ddlOrderStatus.DataSource     = dtOrderStatus;
                ddlOrderStatus.DataTextField  = dtOrderStatus.Columns["WOS_OrderStep"].ToString();
                ddlOrderStatus.DataValueField = dtOrderStatus.Columns["WOS_OrderStepCode"].ToString();
                ddlOrderStatus.DataBind();
            }
            ddlOrderStatus.Items.Insert(0, new ListItem("All", "0"));
        }