Install-Package Microsoft.ReportingServices.ReportViewerControl.WebForms For .NET Core/5+ projects, you must enable EnableUnsafeBinaryFormatterSerialization due to legacy serialization requirements in the reporting engine. Integrating the Report Viewer into Your Application Let’s walk through two common scenarios: a WinForms application using Local Mode (RDLC) and an ASP.NET Core application (via WebForms compatibility). Scenario 1: WinForms with Local Mode (RDLC) This is the most common "offline" reporting pattern.
// Using Microsoft.Reporting.NETCore (community) or the official package byte[] RenderReport(string reportPath, DataSet data) microsoft report viewer
LocalReport report = new LocalReport(); report.ReportPath = reportPath; report.DataSources.Add(new ReportDataSource("DataSet1", data.Tables[0])); string mimeType, encoding, fileNameExtension; Warning[] warnings; string[] streams; Install-Package Microsoft
// 5. (Optional) Set parameters var param = new ReportParameter("ReportTitle", "Q2 Sales"); reportViewer1.LocalReport.SetParameters(param); report.ReportPath = reportPath
using Microsoft.Reporting.WinForms; private void Form1_Load(object sender, EventArgs e)
