Passing SQL parameters to Access database in Visual Basic 2010

Hi,

This is the way I am used to pass parameters to an SQL server database. This time I'm using an Access database and my code doesn't seem to work.
The @Id parameter is passed like it should be, but @strLatitude and @strLongitude are not.
Everything works when I hard code the latitude and longitude in the SQL command, but that is not what I want.

   dim strSQL as string
   dim strLongitude as string = "4.123456"
   dim strLatitude as string = "51.123456"

   strSQL = "UPDATE    Bedrijven " & _
             "SET       Bdr_strLatitude = @strLatitude, " & _
             "          Bdr_strLongitude = @strLongitude " & _
             "WHERE     Bdr_Id = @Id;"
     Using cmdSQL As OleDbCommand = New OleDbCommand(strSQL, CN)
      cmdSQL.Parameters.Add("@Id", OleDbType.Integer).Value = Id
      cmdSQL.Parameters.Add("@strLatitude", OleDbType.VarChar).Value = strLatitude
      cmdSQL.Parameters.Add("@strLongitude", OleDbType.VarChar).Value = strLongitude
    Try
      If CN.State <> ConnectionState.Open Then CN.Open()
      cmdSQL.ExecuteNonQuery()
    Catch ex As Exception
      Call Fout71(ex.Message)
      Return
    Finally
      CN.Close()
    End Try
  End Using

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What am I doing wrong?
NoraWilAsked:
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käµfm³d 👽Commented:
OleDB uses positional parameters. Use a question mark for the placeholder ( ? ) within the query, then add the parameters to the Parameters collection in the order they appear within the query--the names you pass to the Add method are meaningless, so you can pass any arbitrary name.
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NoraWilAuthor Commented:
Sometimes is simplier than expected.
Thanks.
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