Easiest way to pass parameters to ActiveReports report from .NET code
var report = new MyReport();
report.Parameters["Parm1"].PromptUser = false;
report.Parameters["Parm1"].Value = someVariable;
report.Parameters["Parm2"].PromptUser = false;
report.Parameters["Parm2"].Value = someVariable2.ToString("M-d-yyyy");
report.Run();