Hi,

Hmm. As Bonnie suggested maybe there's a problem with the Enum. Out of curiosity - what happens if you cast this to an int in the CreateInstance line ?

Regards,
Viv

>I hit error
>
>Constructor on type 'JK.Payment.UI.Windows.Forms.PaymentForm' not found.
>
>However, as the code I posted, it works if I use the code below
>
>

//Workign OK
>
>Payment.UI.Windows.Forms.PaymentForm loForm = new PaymentForm(new object[]
>
>{ JK.Payment.Enums.TxnType.Sale, salesBO.SaleNo, salesBO.Total });

>
>Thank you