Hi,
In my ASP.Net application I have created a CR 2008 report which uses a Dataset as the report source. The report is working fine and it displays the report data. But when I tried to navigate to the next page I'm getting the message ("No Valid report source available").
In my ASPX page I placed a (Show) button when the user clicked on it I load the report data and show the report using ReportDocument object. It seems that the report source is lost somehow after the first post back. I don't know if this is the cause of the problem?
Sub btnShow_Click
rd = New ReportDocument
rd.Load(ReportPath() & "ReportName.rpt")
ds = CreateReportDataset()
rd.SetDataSource(ds)
Me.rptViewer.ReportSource = rd
End Sub
Please I need your help.
Thank you.