How to call a crystal report in vb.net on click of button.

Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        Dim cryRpt As New ReportDocument
        Dim crtableLogoninfos As New TableLogOnInfos
        Dim crtableLogoninfo As New TableLogOnInfo
        Dim crConnectionInfo As New ConnectionInfo
        Dim CrTables As Tables
        Dim CrTable As Table

        cryRpt.Load("PUT CRYSTAL REPORT PATH HERE\CrystalReport1.rpt")

        With crConnectionInfo
            .ServerName = "YOUR SERVER NAME"
            .DatabaseName = "YOUR DATABASE NAME"
            .UserID = "YOUR DATABASE USERNAME"
            .Password = "YOUR DATABASE PASSWORD"
        End With

        CrTables = cryRpt.Database.Tables
        For Each CrTable In CrTables
            crtableLogoninfo = CrTable.LogOnInfo
            crtableLogoninfo.ConnectionInfo = crConnectionInfo
            CrTable.ApplyLogOnInfo(crtableLogoninfo)
        Next

        CrystalReportViewer1.ReportSource = cryRpt
        CrystalReportViewer1.Refresh()
    End Sub