Merge pull request MicrosoftDocs#6663 from maggiesMSFT/ms-mobile-rpt-params

PRMerger16 · web-flow · commit 533ceff526e2 · 2018-07-30T11:41:25.000-07:00
ms mobile rpt params - add note per Chris Finlan
diff --git a/docs/reporting-services/mobile-reports/add-parameters-to-a-mobile-report-reporting-services.md b/docs/reporting-services/mobile-reports/add-parameters-to-a-mobile-report-reporting-services.md
@@ -1,7 +1,7 @@
 ---
 title: "Add parameters to a mobile report | Reporting Services | Microsoft Docs"
 ms.custom: ""
-ms.date: "11/01/2016"
+ms.date: "07/30/2018"
 ms.prod: reporting-services
 ms.prod_service: "reporting-services-native"
 ms.component: "mobile-reports"
@@ -18,11 +18,11 @@ ms.author: "maggies"
 manager: "kfile"
 ---
 # Add parameters to a mobile report | Reporting Services
-You can create [!INCLUDE[ssRSnoversion_md](../../includes/ssrsnoversion-md.md)] mobile report with parameters, so you and your report readers can filter your reports. A reports with parameters can also be the target of a [drillthrough from a source report](../../reporting-services/mobile-reports/add-drillthrough-from-a-mobile-report-to-other-mobile-reports-or-urls.md). 
+You can create a [!INCLUDE[ssRSnoversion_md](../../includes/ssrsnoversion-md.md)] mobile report with parameters, so you and your report readers can filter your reports. A report with parameters can also be the target of a [drillthrough from a source report](../../reporting-services/mobile-reports/add-drillthrough-from-a-mobile-report-to-other-mobile-reports-or-urls.md). 
 
-To create a mobile report with parameters, you start with a shared dataset with at least one parameter. Read about [creating parameters in a shared dataset](../../reporting-services/report-data/create-a-shared-dataset-or-embedded-dataset-report-builder-and-ssrs.md).  
+To create a mobile report with parameters, you start with a shared dataset with at least one parameter. Read about [creating parameters in a shared dataset](../../reporting-services/report-data/create-a-shared-dataset-or-embedded-dataset-report-builder-and-ssrs.md). Mobile reports don't support null value(s) for default parameters, so make sure your parameters have default values other than null.
 
-After you add parameters to a mobile report, you create a URL to [open the report with query string parameters](../../reporting-services/mobile-reports/open-a-mobile-report-with-specific-query-string-parameters-reporting-services.md).
+After you add parameters to a mobile report, you create a URL to [open the report with query string parameters](../../reporting-services/mobile-reports/open-a-mobile-report-with-specific-query-string-parameters-reporting-services.md). 
 
 1. In the top bar of the [!INCLUDE[ssRSnoversion](../../includes/ssrsnoversion.md)] web portal, select **New** > **Mobile Report**.  
   
