[Ask] Subreport fails to appear, at the Main Report

Please help me.

This is the firsttime, Itried tocreate asubreportinCrystalReport at a Web Page Microsoft Visual Studio 2010.

I use tworeportfiles, consist of:

crInvoice.rpt and crIMEIMobilePhones.rpt

crInvoice.rpt is Main Report

crIMEIMobilePhones.rpt is afilewhichwillmakethe subreport at crInvoice.rpt

below, thecodeI use todisplayMainReportandsubreport. There might bea mistake. Pleasecorrected.

strSql = "select NoInvoice,IMEI, Namabarang,1 as Qty, hjual, diskon from tbtemp WHERE KdCabang='" & Server.HtmlEncode(Request.Cookies("KodeCabang").Value) & "'"                                                              myDataAdapter = New MySqlDataAdapter(strSql, myConnection)                    myDataAdapter.Fill(dsGrosir, "DTKwitansiGrosir")                    If dsGrosir.Tables("DTKwitansiGrosir").Rows.Count > 0 Then                        rpt = New crInvoice                                            rpt.SetDataSource(dsGrosir)                                                'below, a query that I use to display Sub Report                        cmd.CommandText = "select Brand, IMEI from tbtemp"                        cmd.CommandType = CommandType.Text                        cmd.Connection = myConnection                        If cmd.Connection.State = ConnectionState.Closed Then cmd.Connection.Open()                        myDataAdapter.SelectCommand = cmd                        myDataAdapter.Fill(ds1, "DTIMEI")                        If ds1.Tables("DTIMEI").Rows.Count > 0 Then                                             rptSub = New crIMEIMobilePhones                            rptSub.SetDataSource(ds1)                        End If                                            CrystalReportViewer1.ReportSource = rpt                        CrystalReportViewer1.RefreshReport()                                                              End If

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Thank you.