// ////////////////////////////////////////////////////////////////////////
        // PUBLIC METHODS
        //
        public RevenueNavigatorTDS.RevenueNavigatorDataTable GetNavigator()
        {
            revenueNavigator = (RevenueNavigatorTDS.RevenueNavigatorDataTable)Session["revenueNavigatorNewDummy"];
            if (revenueNavigator == null)
            {
                revenueNavigator = ((RevenueNavigatorTDS.RevenueNavigatorDataTable)Session["revenueNavigator"]);
            }

            return revenueNavigator;
        }
        protected void AddNewEmptyFix(GridView grdNavigator)
        {
            if (grdNavigator.Rows.Count == 0)
            {
                RevenueNavigatorTDS.RevenueNavigatorDataTable dt = new RevenueNavigatorTDS.RevenueNavigatorDataTable();
                //dt.AddRevenueNavigatorRow(-1, -1, "", "", "", "", "", "", false, false, false, false, "", false, false, 0, 0, 0, 0, 0, 0, false, 0, 0, "", "", "", false, false, -1, -1, -1, -1, 0, "");
                Session["revenueNavigatorNewDummy"] = dt;

                grdNavigator.DataBind();
            }

            // normally executes at all postbacks
            if (grdNavigator.Rows.Count == 1)
            {
                RevenueNavigatorTDS.RevenueNavigatorDataTable dt = (RevenueNavigatorTDS.RevenueNavigatorDataTable)Session["revenueNavigatorNewDummy"];
                if (dt != null)
                {
                    grdNavigator.Rows[0].Visible = false;
                    grdNavigator.Rows[0].Controls.Clear();
                }
            }
        }
        // ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            // Register client scripts
            this.RegisterClientScripts();

            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_PROJECTS_REVENUE_VIEW"])))
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "You are not authorized to view this page. Contact your system administrator.");
                }

                // Validate query string
                if ((string)Request.QueryString["source_page"] == null)
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in revenue_navigator2.aspx");
                }

                // Tag Page
                hdfCompanyId.Value = Session["companyID"].ToString();
                Session.Remove("revenueNavigatorNewDummy");

                // If coming from
                // ... revenue_navigator.aspx or revenue_navigator2.aspx
                if ((Request.QueryString["source_page"] == "revenue_navigator.aspx") || (Request.QueryString["source_page"] == "revenue_navigator2.aspx"))
                {
                    RestoreNavigatorState();
                    revenueNavigatorTDS = (RevenueNavigatorTDS)Session["revenueNavigatorTDS"];
                }

                // ... revenue_edit.aspx, revenue_summary.aspx or revenue_delete.aspx
                if ((Request.QueryString["source_page"] == "revenue_edit.aspx") || (Request.QueryString["source_page"] == "revenue_summary.aspx") || (Request.QueryString["source_page"] == "revenue_delete.aspx"))
                {
                    RestoreNavigatorState();

                    if (Request.QueryString["update"] == "no")
                    {
                        revenueNavigatorTDS = (RevenueNavigatorTDS)Session["revenueNavigatorTDS"];
                    }
                    else
                    {
                        // ... Delete store data
                        Session.Contents.Remove("revenueNavigatorTDS");

                        // ... Search data with updates
                        revenueNavigatorTDS = SubmitSearch();

                        // ... store datasets
                        Session["revenueNavigatorTDS"] = revenueNavigatorTDS;
                    }
                }

                // ... revenue_delete.aspx, revenue_summary.aspx or revenue_edit.aspx
                if ((Request.QueryString["source_page"] == "revenue_delete.aspx") || (Request.QueryString["source_page"] == "revenue_summary.aspx") || (Request.QueryString["source_page"] == "revenue_edit.aspx"))
                {
                    if (revenueNavigatorTDS.RevenueNavigator.Rows.Count == 0)
                    {
                        string url = "./revenue_navigator.aspx?source_page=revenue_navigator2.aspx" + GetNavigatorState() + "&no_results=yes";

                        Response.Redirect(url);
                    }
                }

                Session["revenueNavigatorTDS"] = revenueNavigatorTDS;
                Session["revenueNavigator"] = revenueNavigatorTDS.RevenueNavigator;

                // ... for the total rows
                if (revenueNavigatorTDS.RevenueNavigator.Rows.Count > 0)
                {
                    lblTotalRows.Text = "Total Rows: " + revenueNavigatorTDS.RevenueNavigator.Rows.Count;
                    lblTotalRows.Visible = true;
                }
                else
                {
                    lblTotalRows.Visible = false;
                }
            }
            else
            {
                // Restore searched data (if any)
                revenueNavigatorTDS = (RevenueNavigatorTDS)Session["revenueNavigatorTDS"];
                revenueNavigator = revenueNavigatorTDS.RevenueNavigator;

                // ... for the total rows
                if (revenueNavigatorTDS.RevenueNavigator.Rows.Count > 0)
                {
                    lblTotalRows.Text = "Total Rows: " + revenueNavigatorTDS.RevenueNavigator.Rows.Count;
                    lblTotalRows.Visible = true;
                }
                else
                {
                    lblTotalRows.Visible = false;
                }
            }
        }