Consecutive numbers textbox by another textbox value

Hello i have the next problem i have a userform with two textbox One gime a product and the other give of number of piece to make, i wanna make in based example

This is my userform:

(Textbox1) (TextBox2) [TABLE="border: 1, cellpadding: 1, width: 500"]

[tr]

[td]

Product

[/td]

[td]

Number

[/td]

[/tr]

[tr]

[td]

Door car

[/td]

[td]

4

[/td]

[/tr]

[/TABLE]

And this is my excel [TABLE="border: 1, cellpadding: 1, width: 500"]

[tr]

[td]

Product

[/td]

[td]

Number

[/td]

[/tr]

[tr]

[td]

Door Car

[/td]

[td]

1

[/td]

[/tr]

[tr]

[td]

Door Car

[/td]

[td]

2

[/td]

[/tr]

[tr]

[td]

Door Car

[/td]

[td]

3

[/td]

[/tr]

[tr]

[td]

Door Car

[/td]

[td]

4

[/td]

[/tr]

[/TABLE]

Thanks, and sorry for my english..