vbScript examples

GNVQ Visual Basic & IT - Unit 6 (Sue Cahill)

VBScript, On-Line Quotation Form Using an Array

Select the product you require from the list, then simply enter the quantity, and click the Calculate button to see the total cost.

This form was made using vbScript code and HTML. An array is dimensioned to provide a number of choices in this case a price list.

Question	Answer
1) Take a printout of the source code and identify / annotate the ARRAY coding.
2) How many elements are dimensioned in the ARRAY and how are they numbered?
3) Modify the code to include another item as follows: Dell P111 500 Professional computer £799 Show the tutor when it is working and make another print out of the modified code.
4) What are the three types of object used on this form?
5) What happens to the object displaying the computer items as the new item is added?
6) Test what happens when a range of quantities are added, you should at least cover zero quantity, 0.5 and very large numbers.
7) View the page in two browsers IE4 and Netscape 4. Note any differences that you observe
8) List the variables that are in use.
9) Which line of code calculates the total cost?
10) Which lines of code decide whether to include postage costs?
11) Test the form thoroughly to identify any weaknesses and suggest practical ways to improve the form.