// ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_CWP_MANHOLEREHABILITATION_ADMIN"])))
                {
                    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 mr_batch_add.aspx");
                }

                // Tag page
                hdfCompanyId.Value = Session["companyID"].ToString();
                hdfUpdate.Value = "no";

                Session.Remove("mrBatchVerification");
                Session.Remove("mrBatchVerificationDummy");

                // Load information
                mrBatchVerificationTDS = new MrBatchVerificationTDS();

                int companyId = Int32.Parse(hdfCompanyId.Value);
                MrBatchVerification mrBatchVerificationForLastRow = new MrBatchVerification();
                mrBatchVerificationForLastRow.LoadLastBatch(companyId);

                if (mrBatchVerificationForLastRow.Table.Rows.Count > 0)
                {
                    MrBatchVerificationGateway mrBatchVerificationGatewayForLastRow = new MrBatchVerificationGateway(mrBatchVerificationForLastRow.Data);
                    WorkManholeRehabilitationBatchGateway workManholeRehabilitationBatchGateway = new WorkManholeRehabilitationBatchGateway();
                    hdfBatchId.Value = workManholeRehabilitationBatchGateway.GetLastId(companyId).ToString();

                    int batchId = Int32.Parse(hdfBatchId.Value);
                    DateTime date = mrBatchVerificationGatewayForLastRow.GetDate(batchId);
                    hdfBatchDate.Value = date.Month.ToString() + "/" + date.Day.ToString() + "/" + date.Year.ToString();

                    hdfBatchDescription.Value = mrBatchVerificationGatewayForLastRow.GetDescription(batchId);
                }

                // ... Store datasets
                Session["mrBatchVerificationTDS"] = mrBatchVerificationTDS;
                Session["mrBatchVerification"] = mrBatchVerificationTDS.BatchValidation;

                // StepIn
                wizardBatch.ActiveStepIndex = 0;
                StepNewBatchIn();
            }
            else
            {
                // Restore datasets
                mrBatchVerificationTDS = (MrBatchVerificationTDS)Session["mrBatchVerificationTDS"];

                // Store
                Session["mrBatchVerification"] = mrBatchVerificationTDS.BatchValidation;
            }
        }
        // /////////////////////////////////////////////////////////////////////////////////////////////////////
        //
        // STEP1 - BEGIN
        //            
        // ////////////////////////////////////////////////////////////////////////
        // STEP - BEGIN - AUXILIAR EVENTS
        //
        protected void StartBatch_OnCheckedChanged(object sender, EventArgs e)
        {
            if (rbtnUseLastBatch.Checked)
            {
                int companyId = Int32.Parse(hdfCompanyId.Value);
                MrBatchVerification mrBatchVerificationForLastRow = new MrBatchVerification(mrBatchVerificationTDS);
                mrBatchVerificationForLastRow.LoadLastBatch(companyId);

                if (mrBatchVerificationForLastRow.Table.Rows.Count > 0)
                {
                    MrBatchVerificationGateway mrBatchVerificationGatewayForLastRow = new MrBatchVerificationGateway(mrBatchVerificationForLastRow.Data);
                    WorkManholeRehabilitationBatchGateway workManholeRehabilitationBatchGateway = new WorkManholeRehabilitationBatchGateway();
                    hdfBatchId.Value = workManholeRehabilitationBatchGateway.GetLastId(companyId).ToString();

                    int batchId = Int32.Parse(hdfBatchId.Value);
                    DateTime date = mrBatchVerificationGatewayForLastRow.GetDate(batchId);
                    hdfBatchDate.Value = date.Month.ToString() + "/" + date.Day.ToString() + "/" + date.Year.ToString();

                    hdfBatchDescription.Value = mrBatchVerificationGatewayForLastRow.GetDescription(batchId);

                    // Show messages at wizard
                    lblBatchIdWarning.Visible = false;
                    lblBatchLast.Visible = true;
                    lblBatchLast.Text = "Last Batch used: " + hdfBatchDate.Value + "   " + hdfBatchDescription.Value;
                }
                else
                {
                    lblBatchIdWarning.Visible = true;
                    lblBatchLast.Visible = false;
                }
            }

            if (rbtnUseNewBatch.Checked)
            {
                lblBatchIdWarning.Visible = false;
                lblBatchLast.Visible = false;
            }
        }