Microsoft Report Viewer May 2026

// Using Microsoft.Reporting.NETCore (community) or the official package byte[] RenderReport(string reportPath, DataSet data)

Open the RDLC file. Go to View → Report Data. Right-click DataSets → Add Dataset. Set the DataSource to MyDataSet and the available dataset to SalesData . microsoft report viewer

using Microsoft.Reporting.WinForms; private void Form1_Load(object sender, EventArgs e) // Using Microsoft

// 2. Set the report viewer's processing mode to Local reportViewer1.ProcessingMode = ProcessingMode.Local; Set the DataSource to MyDataSet and the available

// 1. Fetch your data (could be from SQL, JSON, or CSV) DataTable dt = GetSalesDataFromDatabase();

The strategic direction is (which uses the same RDL schema as SSRS 2016) and the Power BI Embedded platform. The modern Microsoft.ReportingServices.ReportViewerControl NuGet packages exist primarily to support the "lift and shift" of legacy applications to newer .NET runtimes, not to foster new development. Conclusion The Microsoft Report Viewer is a powerful, battle-tested tool that will continue to run corporate reporting for the foreseeable future. By understanding its versioning quirks, mastering the difference between Local and Remote modes, and learning how to render reports to PDF for modern web applications, you can maximize its utility while planning a gradual migration to cloud-native solutions.