I am designing a website which uses dates input to calculate the total cost of product, using this code
pdatstart =request.form(txt1)
pdatend=request.form(txt2)
plngwd=datediff(dateinterval.day,pdatstart,pdatend)
but it returns an error saying cast from string to type date is not valid
and how can i use it to calculate for the cost in the shopping basket.
ThanxxAre you using this in Crystal Report formula field?
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