Private Sub cmdTestConnection_Click( _
        ByVal eventSender As System.Object, _
        ByVal eventArgs As System.EventArgs) _
        Handles cmdTestConnection.Click
 
    ' Declare variables
    Dim myConn As New ADODB.Connection
    Dim myCommand As New ADODB.Command
    Dim cAffected As Integer

    On Error GoTo HandleError

    ' Establish the connection
    myConn.Provider = "SAOLEDB"
    myConn.ConnectionString = _
        "Data Source=SQL Anywhere 12 Demo"
    myConn.Open()
    MsgBox("Connection succeeded")
    myConn.Close()
    Exit Sub

HandleError:
    MsgBox(ErrorToString(Err.Number))
    Exit Sub
End Sub