private string GetNavigatorState()
        {
            // Columns to display
            int companyId = Int32.Parse(hdfCompanyId.Value.Trim());
            string resourceType = "Materials";
            string columnsToDisplay = "&columns_to_display=";

            ResourceTypeViewDisplay resourceTypeViewDisplay = new ResourceTypeViewDisplay();
            columnsToDisplay = columnsToDisplay + resourceTypeViewDisplay.GetColumnsByDefault(resourceType, companyId, true);

            // SearchOptions for condition 1
            string searchOptions = "";
            searchOptions = searchOptions + "&search_ddlCondition1=1";
            searchOptions = searchOptions + "&search_tbxCondition1=%";

            // Other values
            searchOptions = searchOptions + "&search_state=1";
            searchOptions = searchOptions + "&btn_origin=Search";

            // Return
            return columnsToDisplay + searchOptions;
        }
        private string GetColumnsToDisplay()
        {
            int companyId = Int32.Parse(hdfCompanyId.Value.Trim());
            string resourceType = hdfResourceType.Value.Trim();
            string columnsToDisplay = "&columns_to_display=";

            ResourceTypeViewDisplay resourceTypeViewDisplay = new  ResourceTypeViewDisplay();
            columnsToDisplay = columnsToDisplay + resourceTypeViewDisplay.GetColumnsByDefault(resourceType, companyId, true);

            return columnsToDisplay;
        }