The first question is: using ASP, can I make a call to my merchant bank's website just once a day, instead of making a call to it every time the page is opened or refreshed?
Second question: How do I extract just the e.g. US$ value from the textual information I get from the bank above? - I need to parse it in some way but I don't know how.
Third question: Using that parsed information, how do I then get the value of the exchange rate into a variable, which I can then go on to use?
For example, what I tried was to place the figure of "1.6392034337924026" in an ASP file (remove all html and just have that 1.6392034337924026 figure) and name the file "ExchangeRateUSD.asp". In another page I tried retrieving that exchange rate figure and placing it in a variable by writing: