Public ReadOnly Property ParseResult As ParameterCollection.ParseResultCode

public ParameterCollection.ParseResultCode ParseResult {get;}

private void arv_Load(object sender, System.EventArgs e)
{
    SectionReport1 rpt = new SectionReport1();
    rpt.Run();
    if (rpt.Parameters.ParseResult == GrapeCity.ActiveReports.SectionReportModel.ParameterCollection.ParseResultCode.Success)
    {
        System.Windows.Forms.MessageBox.Show("success!");
    }
    else if (rpt.Parameters.ParseResult == GrapeCity.ActiveReports.SectionReportModel.ParameterCollection.ParseResultCode.MissingCloseParam)
    {
        System.Windows.Forms.MessageBox.Show("missingCloseParam");
    }
    else if (rpt.Parameters.ParseResult == GrapeCity.ActiveReports.SectionReportModel.ParameterCollection.ParseResultCode.MissingParamName)
    {
        System.Windows.Forms.MessageBox.Show("missingCloseParamName");
    }
    this.arv.Document = rpt.Document;
}

Private Sub Viewer1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Viewer1.Load
    Dim rpt As New SectionReport1
    rpt.Run()
    If rpt.Parameters.ParseResult = rpt.ParameterCollection.ParseResultCode.Success Then
        MessageBox.Show("success!")
    ElseIf rpt.Parameters.ParseResult = rpt.ParameterCollection.ParseResultCode.MissingCloseParam Then
        MessageBox.Show("missingCloseParam")
    ElseIf rpt.Parameters.ParseResult = rpt.ParameterCollection.ParseResultCode.MissingParamName Then
        MessageBox.Show("missingCloseParamName")
    End If
    Me.Viewer1.Document = rpt.Document
End Sub