Microsoft Report Viewer -
Add the tag prefix to your .aspx page:
What are you building? (e.g., WinForms, WPF, ASP.NET Core, Blazor)
When deploying to a clean client machine or web server, you may encounter an error stating that Microsoft.SqlServer.Types could not be loaded. Report Viewer relies on this library to process spatial data and hierarchical structures, even if your report doesn't explicitly use spatial data. microsoft report viewer
If you are currently evaluating your enterprise application setup, let me know:
Microsoft Report Viewer remains a workhorse of Windows desktop reporting. While not "cutting-edge," it is reliable, well-documented, and “just works” for 80% of standard business reporting needs. Add the tag prefix to your
Add a new Item -> Report, creating an .rdlc file, which opens the Report Designer.
What is your application running? (.NET Framework 4.8, .NET 8, etc.) Will you be using Local (RDLC) or Remote (SSRS) processing? If you are currently evaluating your enterprise application
Web applications frequently trigger an error stating that the Report Viewer HTTP handler is not registered.
Even experienced developers encounter frustrating issues. Here are the top 10 problems and solutions:
Ensure your web.config contains the proper handler entries under both and sections:
Register the control assembly at the top of your .aspx page:
