InfoPath Dev

Hi everyone, i'm new here - and to infopath. I have a question that I think I know the answer to (can't be done without VSTO).

I have an Infopath form that will be deployed in a browser, and on it - there are a bunch of check boxes and radio/option buttons.

I have a text box that I want to list all of the email addresses of people who will receive the email from the form, this list of email addresses is determined by which check boxes/option buttons are selected on the form.

So I have a form:

[]blue []red []green []white

O yes O no

[]one []three []five

TextBox: [                                            ]

and as they tick these options, I need to update the text field with email addresses - but also remove them as those options change. so I need some kind of list of routing logic that gets executed whenever an option is changed, is that possible without VSTO?

From what I understand, VSTO/code behind can't be done if the infopath form is published to a browser. I would really appreciate anyone's thoughts...

 Thanks everyone!

you can put rules on all the check/option buttons. Actually there will be two rules one to add email address when selected and another to remove email address when deselected.

1) if check/option is selected && textbox1 doesnot contain new_email_id

textbox1 = textbox1 + email id

2)if check/option isnot selected && textbox1 contain new_email_id

textbox1 = stringbefore(new_email_id,textbox1) + stringafter(new_email_id,textbox1)

 Thanks Qazi, this makes good sense - and I tried it... but when it fills the textbox1 with the email, it instead puts in "NaN". (without the quotation marks). I have it as your formula: substring-before("[email protected]", textbox1) + substring-after("[email protected]", textbox1)

 any thoughts?

thanks for taking the time, this is frustrating...

sorry,

iii have put it wrong way, it should be

textbox1 = string-before(textbox1, new_email_id) + string-after(textbox1, new_email_id)

I tried that, it still reads "NaN" in the text box. Normally, that error means you're trying to do math with a string, instead of a number. It means "Not a number". I have no idea what the issue is...

 I'll keep playing with it, but if you have any other suggestions - i'll try them. Let me know!

Plus doesnt work that way.

 You should use concat function instead : textbox1 = concat(string-before(textbox1, new_email_id), string-after(textbox1, new_email_id))

 of course! it thought I was trying to obtain the sum of the 2 strings. Thanks to both of you for your help - I really appreciate it!!

sorry ducati i forgot the concat function

thanks Alec for the help.

Actually i am on vacations these days, so a bit of cut off from InfoPath + i dont have InfoPath installed on this box to cross check.