Need some help with a project

Hey guys, I need help doing a project, and I can't seem to get this one right. I was wondering if someone could guide me through the steps so I can complete it?

The form looks like this:
http://i96.photobucket.com/albums/l1...psb55c92c2.png

And needs to calculate prices, with labels being the output like this:
http://i96.photobucket.com/albums/l1...ps4e9a346e.png

And here is a table of how the prices should be:

Quantity | | Price per widget
1 - 10 | | $20.00
11 - 20 | | $18.00
21 - 30 | | $16.00
31 + | | $14.00

My apologies if this doesn't seem like it makes sense, I'm rushing but I will gladly explain for specifics.

You can use Integer.TryParse to convert the user input to an Integer and then a Select Case statement to decide on the price bracket:

Code:

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Select Case itemCount
    Case Is > 30
        '31 +
    Case Is > 20
        '21 - 30
    Case Is > 10
        '11 - 20
    Case Else
        '0 - 10
End Select

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I tried using Integer.TryParse, but it only resulted in an error.

Quote:

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Originally Posted by Kaio

I tried using Integer.TryParse, but it only resulted in an error.

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Then you did it wrong. We're not going to know what you did wrong by ESP though. You have to tell us what you did and what happened when you did it. Assume that we know nothing about your project other than what you tell us, which is exactly the case.