I want to create an integer generating program where the user enters any number in TextBox1 and TextBox2 and presses the Generate button and in another textbox the integers shows up.

REFER TO THE LINK to see what I mean.
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There doesn't appear to be anything very tricky or hard. Your best bet is read some tutorials and try to come up with some code. If you get stuck and can't make it work rioght, show us your code and we will be more than happy to help you.