// ////////////////////////////////////////////////////////////////////////
        // STEP5 - NEW INTERMEDIATE SECTIONS - AUXILIARY EVENTS
        //
        protected void cvSectionId_ServerValidate(object source, ServerValidateEventArgs args)
        {
            ProjectAddSectionsTDS dataSet = new ProjectAddSectionsTDS();
            dataSet.ProjectAddSectionsNew.Merge(projectAddSectionsNew, true);
            dataSet.ProjectAddSectionsTemp.Merge(projectAddSectionsTemp, true);

            ProjectAddSectionsNew projectAddSectionsNewModel = new ProjectAddSectionsNew(dataSet);
            ProjectAddSectionsTemp projectAddSectionsTempModel = new ProjectAddSectionsTemp(dataSet);

            // Initialize
            CustomValidator cvSectionId = (CustomValidator)source;
            args.IsValid = true;

            // verify in this step
            if (projectAddSectionsNewModel.ExistsBySectionId(args.Value))
            {
                cvSectionId.Text = "Duplicated section. (you already have this section here)";
                args.IsValid = false;
            }

            // verify before added or selected
            if (args.IsValid)
            {
                if (projectAddSectionsTempModel.ExistsBySectionId(args.Value))
                {
                    cvSectionId.Text = "Duplicated section. (this section was already created or added previously)";
                    args.IsValid = false;
                }
            }

            // verify in project with specific work
            if (args.IsValid)
            {
                string workType;
                switch (hdfWorkType.Value)
                {
                    case "All":
                        workType = "%";
                        break;

                    case "Rehab Assessment":
                        workType = "Rehab Assessment";
                        break;

                    case "Full Length Lining":
                        workType = "Full Length Lining";
                        break;

                    case "Point Repairs":
                        workType = "Point Repairs";
                        break;

                    case "Junction Lining":
                        workType = "Junction Lining Section";
                        break;

                    case "Manhole Rehabilitation":
                        workType = "%";
                        break;

                    default:
                        throw new Exception("Erroneus work type in Add Section query string.");
                }

                WorkGateway workGateway = new WorkGateway(null);
                if (workGateway.ExistsSectionByProjectIdSectionIdWorkType(int.Parse(hdfProjectId.Value), args.Value, workType, int.Parse(hdfCompanyId.Value)))
                {
                    cvSectionId.Text = "This section is already associated with this project. (if you would like to see it go to the Sections data of this project)";
                    args.IsValid = false;
                }
            }

            // verify in project general
            if (args.IsValid)
            {
                Int64? countryId = int.Parse(hdfCountryId.Value);
                Int64? provinceId = null; if (hdfProvinceId.Value != "") provinceId = Int64.Parse(hdfProvinceId.Value);
                Int64? countyId = null; if (hdfCountyId.Value != "") countyId = Int64.Parse(hdfCountyId.Value);
                Int64? cityId = null; if (hdfCityId.Value != "") cityId = Int64.Parse(hdfCityId.Value);
                int companyId = int.Parse(hdfCompanyId.Value);

                AssetSewerSectionGateway assetSewerSectionGateway = new AssetSewerSectionGateway(null);
                if (assetSewerSectionGateway.ExistsByCountryIdProvinceIdCountyIdCityIdSectionId(countryId, provinceId, countyId, cityId, args.Value, companyId))
                {
                    cvSectionId.Text = "This section is already in the database. (you can try adding it using the Add Existing Sections option)";
                    args.IsValid = false;
                }
            }
        }