Creating Backups And Restoring Using Vb.net

hey guyz..
i got this code.. its running... but i am not able to find the file that has been backed up by the program.. pls help.. if there is anything wrong with the codes pls help me

this code is for creating backups

Dim paramsBackup As String = " -Usa -P -q " & Chr(34) & "Backup database test to disk ='c: est.bak'" & Chr(34) & " -n "

Try
Process.Start("c:program filesmicrosoft sql server80 oolsinnosql.exe", paramsBackup)
MsgBox("Backuped")
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try


this code is for restoring


Dim paramsRestore As String = " -Usa -P -q " & Chr(34) & "restore database test from disk ='c: est.bak'" & Chr(34) & " -n "
Try
Process.Start("c:program filesmicrosoft sql server80 oolsinnosql.exe", paramsRestore)
MsgBox("Restored")
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try