Public Class form66
    Public con As New OleDbConnection("provider=microsoft.jet.oledb.4.0; data source = " & Application.StartupPath & "\MyData.mdb")
    Private cnx As OleDbConnection, cmd As OleDbCommand, dta As OleDbDataAdapter, dts As New DataSet, dtt As New DataTable, sql As String, cnxstr As String, cmdb As OleDbCommandBuilder