| Visual Basic Programming skilled only?

Visual Basic Programming skilled only?

crazy busy 08 asked:

I am trying to create a visual basics project that calculates the change after the user enters the amount owed. It needs to tell the user what amount in dollars, quarters, dimes, nickels and pennies. I already entered my variables but I am down to the last two lines of code I thought it was me.xchangelabel.text= val(me.xpaidtextbox.text) - val(me.xowestextbox.text) but I have option strict and explicit on ( Ihave to) and its not helping.
please help someone I am so frustrated. Thanks
Pete
Lanzhou China

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Comments

2 Responses to “Visual Basic Programming skilled only?”

  1. quantumkev on April 3rd, 2009 4:51 am

    Ok. Here is the problem : you are trying to assign the result of a calculation directly to a textbox, which - as you are experiencing - can be problematic.
    I would refer you to an answer I gave someone else today about separating out mathematical operations, and string (or text) operations :

    Basically, instead of trying to cram this all into one line, do your math first, then assign to a textbox, like so :

    Dim result As double

    result = val(me.xpaidtextbox.text) - val(me.xowestextbox.text)

    …..then,

    me.xchangelabel.text = result.ToString()

    You need to convert to string, so it can be displayed in the textbox. Actually, I would even create variables to hold the 2 calcs in the ‘val(me.xpaidt..’ statements - but that’s just me.

    Good luck.

  2. BillyZ313 on April 4th, 2009 5:31 am

    if you like the 1 liners u can always just do the following:
    me.xchangelabel.text= (val(me.xpaidtextbox.text) - val(me.xowestextbox.text)).ToString()

    there is really no need to allocate the extra storage for variables you will not use later. You did well trying to do it without storing them in variables. You just need to make them into strings