I am reworking old VB6 application into VB.NET.

I have a form with 160 TextBox fileds kept inside TextBoxArray component.

MaksedTextBox can be easily set to allow only numeric letters from keyboard, but text box component doesn't have that ability.

I have two solutions, either replace all 160 fields with 160 MaskedTextBox fields or write some script and place it inside the keyup event and remove non-numeric letters.

The TextBoxArray has KeyUp, KeyDown, KeyPress events but I am not sure how to format text to be just numeric in VB.NET or either in VB6 compatibility.
Any ideas how to disable non-numeric letters or either remove those?