Report Viewer Events

dotnet add package Majorsilence.Reporting.RdlViewer

For an overview of using the viewer see Winform Viewer.

CurrentPageChange Event

If you have a report viewer you can subscribe to the CurrentPageChange event to be notified every time the event changes.

using System.Windows.Forms;
using fyiReporting;
using fyiReporting.RDL;
using fyiReporting.RdlViewer;

class Program
{
	[STAThread]
	static void Main()
	{
		System.Windows.Forms.Form frm = new System.Windows.Forms.Form();
		frm.Height = 600;
		frm.Width = 800;

		fyiReporting.RdlViewer.RdlViewer rdlView = new fyiReporting.RdlViewer.RdlViewer();
		rdlView.SourceFile = new Uri(@"\path\to\your\report.rdl");
                rdlView.Rebuild();

		rdlView.Dock = DockStyle.Fill;
		frm.Controls.Add(rdlView);

		// Page Count Event
		rdlView.PageNavigation += (object sender, fyiReporting.RdlViewer.PageNavigationEventArgs e1) =>
		{
			MessageBox.Show("Page Changed. Current page is: " + e1.NewPage);
		};

		Application.Run(frm);
	}
}