Microsoft Report Viewer -

Conversely, using the Report Viewer for modern public-facing web apps is an anti-pattern. It is heavy, not mobile-responsive, and inaccessible (screen readers struggle with its generated HTML). For dashboards, real-time data, or interactive exploration, Power BI or custom HTML/JS grids are vastly superior.

This is the most common "offline" reporting pattern. microsoft report viewer

For .NET Core/5+ projects, you must enable EnableUnsafeBinaryFormatterSerialization due to legacy serialization requirements in the reporting engine. Conversely, using the Report Viewer for modern public-facing

Microsoft is phasing out the traditional "standalone" installer approach: or interactive exploration

// Simulate database retrieval DataTable dt = new DataTable(); dt.Columns.Add("CustomerName", typeof(string)); dt.Columns.Add("Amount", typeof(decimal)); dt.Rows.Add("John Doe", 500.00m); dt.Rows.Add("Jane Smith", 1200.50m); return dt;