Control Exception Message

[campster]

I'm opening an Excel template and checking the format of the template. If the format is not correct I want to send the appropriate message. I got it to work but it seems like a excessive use of try-catch. Is there a better way?

Try
            oExcel.Workbooks.Open(Filename:=m_inFile)
            Try
                oSht = CType(oExcel.Workbooks(1).Worksheets("control"), Excel.Worksheet)
            Catch ex As Exception
 
            End Try
            If oSht Is Nothing Then
                Throw New System.Exception("Invalid Template Format: No Control Sheet")
            End If
            oExcel.Visible = m_visible
        Catch ex As Exception
            MessageBox.Show("TemplateReader.Open: " & ex.Message.ToString)
        End Try

[circuits2]

Actually, there is nothing wrong with nested Try/Catch blocks. However, in your case, your inner Try/Catch isn't doing anything on error, is that intentional?

[campster]

However, in your case, your inner Try/Catch isn't doing anything on error, is that intentional?

It was. That was the only way that I could get the message that I wanted. I let the exception thrown by Excel fall through the cracks then throw my exception that describes what really happend.