vs 2010 crystal report reportdocument.close hängt sich auf |

beim aufruf der Funktion reportdocument.close hängt sich das Programm auf bzw. regiert einfach nicht mehr
auch durch versuchen mit try/catch etwas abzufangen hat nichts geholfen

Ich habe es so versucht das ich wenn ich einen neuen Bericht lade pizza kurier bern

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, erst den alten schließe.
Das hat dann zu dem Phenomen geführt.

Try
    Dim rd As ReportDocument

    With CrystalReportViewer

        'Close the report
        Dim rd_open As ReportDocument = .ReportSource
        If Not rd_open Is Nothing Then
            rd_open.Close()
            rd_open.Dispose()
        End If

        'Set new report
        .ReportSource = rd

        'Refresh CrystalReportViewer
        .Refresh()

    End With
Catch ex As Exception
    Throw New Exception("Error loading new report:" & vbCrLf & reportName & vbCrLf & vbCrLf & ex.Message)
End Try

Try

Dim rd As ReportDocument

With CrystalReportViewer

'Close the report

Dim rd_open As ReportDocument = .ReportSource

If Not rd_open Is Nothing Then

rd_open.Close()

rd_open.Dispose()

End If

'Set new report

.ReportSource = rd

'Refresh CrystalReportViewer

.Refresh()

End With

Catch ex As Exception

Throw New Exception("Error loading new report:" & vbCrLf & reportName & vbCrLf & vbCrLf & ex.Message)

End Try

Lösung:

Try
    Dim rd As ReportDocument

    With CrystalReportViewer

        'save old report
        Dim rd_open As ReportDocument = .ReportSource

        'Set new report
        .ReportSource = rd

        'Refresh CrystalReportViewer
        .Refresh()

        'Close the report
        If Not rd_open Is Nothing Then
            rd_open.Close()
            rd_open.Dispose()
        End If

    End With
Catch ex As Exception
    Throw New Exception("Error loading new report:" & vbCrLf & reportName & vbCrLf & vbCrLf & ex.Message)
End Try

Try

Dim rd As ReportDocument

With CrystalReportViewer

'save old report

Dim rd_open As ReportDocument = .ReportSource

'Set new report

.ReportSource = rd

'Refresh CrystalReportViewer

.Refresh()

'Close the report

If Not rd_open Is Nothing Then

rd_open.Close()

rd_open.Dispose()

End If

End With

Catch ex As Exception

Throw New Exception("Error loading new report:" & vbCrLf & reportName & vbCrLf & vbCrLf & ex.Message)

End Try

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