Before downloading, you need to know if your Windows system is or 64-bit (x64) . To find out, right-click on "This PC" or "My Computer" and select "Properties." Look for "System type."
If you attempt to run an application that requires this component without it installed, you will likely encounter errors such as:
Microsoft Report Viewer 2015 Runtime
If you skip this step, the Report Viewer installer will display an error stating that the SQL Server System CLR Types are missing. Download the .
Install-Package Microsoft.ReportingServices.ReportViewerControl.WebForms -Version 12.0.2402.15 Use code with caution. Step-by-Step Installation Guide microsoft report viewer version 12.0.0.0 download
Download the Microsoft SQL Server 2014 Feature Pack. Expand the installation details, locate SQLSYSCLRTYPES.msi , install it first, and then re-run the Report Viewer installer. Looking Forward: Upgrading Past Version 12
Version 12.0.0.0 corresponds to the . It was released alongside Visual Studio 2015 and SQL Server 2014/2016. This runtime acts as a bridge, allowing client computers to process and view reports locally or connect to remote SSRS servers without requiring a full installation of Visual Studio or SQL Server on every user machine. Key Capabilities
Open your application's web.config file. Ensure the following handler configuration is present inside the section:
: Windows 7 SP1 SP1, Windows 8, Windows 8.1, Windows 10, or Windows Server equivalents. Before downloading, you need to know if your
Unlike standalone report design tools, the Report Viewer control enables end-users to view, print, export (to PDF, Excel, Word, etc.), and sometimes interact with reports directly inside your custom application.
"Could not load file or assembly 'Microsoft.ReportViewer.WebForm, Version=12.0.0.0...' or one of its dependencies."
Install the Report Viewer 2015 Runtime using the NuGet method above, or change your project's reference properties for the Report Viewer DLLs to Copy Local = True .
For the latest updates and security patches regarding this runtime, always check the official Microsoft Q&A forums. Install-Package Microsoft
A: It is available from the official Microsoft Download Center.
Microsoft Report Viewer is a freely distributable control that enables embedding reports into custom applications. Version 12.0.0.0 specifically corresponds to the era and target environments utilizing .NET Framework 4.0 or higher .
The runtime includes controls for both Windows Forms (WinForms) and ASP.NET Web Forms. It allows users to view, export (to PDF, Excel, Word), and print reports directly from the application interface without requiring a full local installation of SQL Server. Key System Requirements
If you are a developer managing a Visual Studio project, the safest and most maintainable way to reference version 12.0.0.0 is via NuGet. Open your project in .