ReportViewer

Imports Microsoft.Reporting.WinForms
Public Class frmRptParameter

    Private Sub frmRpt1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
       
    End Sub

    Private Sub btnReport_Click(sender As Object, e As EventArgs) Handles btnReport.Click 

frmViewer.ReportViewer1.LocalReport.DataSources.Clear()
        frmViewer.ReportViewer1.LocalReport.DataSources.Add(rds)  
        frmViewer.ReportViewer1.LocalReport.ReportPath = "C:\Users\rpt1.rdlc"

        frmViewer.ReportViewer1.RefreshReport()

    End Sub
End Class