"Jan DHondt" wrote:

> Designing a winform with a reportviewer that shows data for a single .rdlc
> report is no  problem, the wizords help to setup the datasource, the
> bindingsource and the tableadapter instance and bind it to the reportviewer
> and .rdlc report.
> But I tried to keep the same form to display another report in the same
> reportviewer: however I have not worked out how to change the different
> datasources and databindings.
>
> here's an example of my code
>     Private m_Reportdatasource1 As
> Microsoft.Reporting.WinForms.ReportDataSource
>     Private m_Reportdatasource2 As
> Microsoft.Reporting.WinForms.ReportDataSource
>
>     Private Sub CreateReport1()
>         If m_Reportdatasource1 Is Nothing Then
>             m_Reportdatasource1 = New
> Microsoft.Reporting.WinForms.ReportDataSource
>             m_Reportdatasource1.Name = "ds1_tbl1"
>             m_Reportdatasource1.Value = Me.tbl1BindingSource
>         End If
>         Me.ReportViewer1.LocalReport.DataSources.Clear()
>         Me.ReportViewer1.LocalReport.DataSources.Add(m_Reportdatasource1)
>         Me.ReportViewer1.LocalReport.ReportEmbeddedResource =
> "MyProject.rpt1.rdlc"
>         Me.tbl1TableAdapter.Fill(Me.dsAnalysis1.tblAnalysis1)
>         Me.ReportViewer1.RefreshReport()
>     End Sub
>
>     Private Sub CreateReport2()
>         If m_Reportdatasource2 Is Nothing Then
>             m_Reportdatasource2 = New
> Microsoft.Reporting.WinForms.ReportDataSource
>             m_Reportdatasource2.Name = "dsAnalysis2_tblAnalysis2"
>             m_Reportdatasource2.Value = Me.tblAnalysis2BindingSource
>         End If
>         Me.ReportViewer1.LocalReport.DataSources.Clear()
>         Me.ReportViewer1.LocalReport.DataSources.Add(m_Reportdatasource2)
>         Me.ReportViewer1.LocalReport.ReportEmbeddedResource =
> "MyProject.rpt2.rdlc"
>         Me.tbl2TableAdapter.Fill(Me.ds2.tbl2)
>         Me.ReportViewer1.RefreshReport()
>     End Sub
>
> The first time I refresh the reportviewer it works, the second time I do not
> see the report, but I get an error message in the reportviewer , saying there
> is no ds instance for the 1st report.
> Can anyone point me into the right direction on how to accomplish this?
>
>
> --
> Jan D''Hondt
> Jade bvba
> Belgium
> Database and .NET development
>
> <Toto, I''ve got a feeling we''re not in Kansas anymore.>
>
>