I really appreciate all of the help with this problem. I tried the
code suggested, it still is not working. I'm not getting an error
just not updating the checkbox. I haven't been able to find any
documentation on the "document.getElementById command". Please see
the attached code and tell me what might be wrong. I also thought
the assignment in the "var" command might need a "==" but no luck.
<SCRIPT language="JavaScript" type="text/JavaScript">
function checkWeight (WeightID, StarID)
{
var Weight = document.getElementById (WeightID);
var Star = document.getElementById (StarID);
Star.checked = True;
}
</SCRIPT>
<FORM name="Player2" method="post" action="EditTeam.asp">
<TABLE width="80%" border="0" cellpadding="0" cellspacing="0"
summary="Summary">
<TR>
<TH scope="row"><LABEL>
<INPUT name="FirstName" type="text" id="FirstName" size="17"
maxlength="15">
<INPUT name="LastName" type="text" id="LastName" size="27"
maxlength="25">
<INPUT name="MI" type="text" size="3" maxlength="1">
<INPUT name="BirthDate" type="text" id="BirthDate" size="12"
maxlength="10">
<INPUT name="JerseyNumber" type="text" id="JerseyNumber" size="4"
maxlength="2">
<INPUT name="Weight" type="text" id="Weight2" size="5" maxlength="3"
onChange='checkWeight ("Weight2", "Star2")'>
<INPUT type="checkbox" name="BirthCert" value="True">
<INPUT type="checkbox" name="Star" id="Star2" value="True">
</LABEL></TH>
</TR>
</TABLE>
</FORM>
Any and all help with this is greatly appreciated. I have some
understanding of JAVA but not any real experience coding it.
--- In [email protected], "David Smart"
<[EMAIL PROTECTED]> wrote:
> Pretty much. A couple of things ...
>
> Keep the names of the fields the same as their IDs. This will
minimise confusion. Annoyingly, you need both, as the client-side
script will use IDs, but ASP will use names.
>
> To set the checkmark in a checkbox, you set its checked property
to true. I.e.:
>
> checkBox.checked = True;
>
> One last thing. If you're going to be writing the ASP code this
week too, note that unchecked checkboxes are not visible to ASP,
only checked ones. This is a pain in the proverbial, and makes for
annoying code in ASP.
>
> Essentially, you have to check to see if the checkbox exists in
the submitted form, and if it does, you know it's checked. In
JScript, I have
>
> var checkboxChecked = String (Request.form ("Star2")) !
= "undefined";
>
> VBScript will be similar, and a search with Google will find you
examples, I'm sure.
>
> To be more flexible, I've defined a function to do the check, and
an equivalent would be useful in VBScript too. My JScript function
is:
>
> function checkboxChecked (name)
> {
> return String (Request.form (name)) != "undefined";
> }
>
> Dave S
>
> ----- Original Message -----
> From: Madòrick
> To: [email protected]
> Sent: Monday, August 01, 2005 1:20 AM
> Subject: Re: [ASP] Updating a CHECKBOX when a value is entered
in a FORM
>
>
> Thanks for the quick Info, this is for a youth sports league and
> they want a demo next weekend. This is the last page. Ok so I
want
> to paraphrase to be sure I understand... I want to see it work
first
> before I put conditions on the change......
>
> First I should change my <INPUT> tag....
> From:
> <INPUT name="Weight" type="text" id="Weight" size="5"
maxlength="3">
>
> To:
> <INPUT name="Weight" type="text" id="Weight2" size="5"
maxlength="3"
> onChange='checkWeight ("Weight2", "Star2")'>
>
> AND
> <INPUT type="checkbox" name="Star" value="True">
> To:
> <INPUT type="checkbox" name="Star" id="Star2" value="True">
>
> Then add somewhere at the beginnning:
> <script language="JavaScript1.1">
> function checkWeight (WeightID, StarID)
> {
>
> var textField = document.getElementById (textFieldID);
> var checkBox = document.getElementById (checkBoxID);
>
> checkBox = True;
>
> }
>
> </script>
>
>
> Thanks for the help in advance....
>
> --- In [email protected], "David Smart"
> <[EMAIL PROTECTED]> wrote:
> > You have found onChange and that is probably what you want.
Note,
> however, that onChange will only trigger when you move away from
the
> field. This may not be aesthetically pleasing, as your cursor
will
> be on another field (possibly on another row) before the
checkbox
> gets checked. Anyway ...
> >
> > First thing. You will not be using ASP for this. This will
be
> client-side code, and you'll need to do it in JavaScript.
> >
> > All you need to do is to put an onchange clause into your
input
> field. E.g. onchange='checkWeight ("InputBoxID", "CheckBoxID")'
> >
> > Note the single quotes around the JavaScript statement and the
> double quotes around the string parameters.
> >
> > You are going to have to give your fields unique IDs on each
row,
> so that you can separate out the fields for the different
people.
> This can be done with a simple counter in your ASP.
> >
> > You'll then need a JavaScript function to do the work. This
will
> simply be defined in a <script> area.
> >
> > <script>
> > function checkWeight (textFieldID, checkBoxID)
> > {
> > var textField = document.getElementById (textFieldID);
> > var checkBox = document.getElementById (checkBoxID);
> > stuff
> > }
> > </script>
> >
> > Hope this is a start. Sounds as though you're pretty much on
the
> right track.
> >
> >
> > Dave S
> >
> > ----- Original Message -----
> > From: Madòrick
> > To: [email protected]
> > Sent: Sunday, July 31, 2005 10:04 PM
> > Subject: [ASP] Updating a CHECKBOX when a value is entered
in a
> FORM
> >
> >
> > Please bare with me, I am a long time Mainframe programmer
> trying to
> > learn ASP and VBScript. I have two things I am looking for
some
> > help with.
> >
> > 1) I want to display rows with information for people (ie.
name,
> > date ect.) and have one field to be a TEXTBOX to enter
> information
> > into. This is to be flollowed on the same row with a
CHECKBOX
> tha I
> > want to update based on what is entered in the TEXTBOX (see
> below),
> > if the weight is greater than a given weight the CHECKBOX
should
> > become checked. This means two things 1. I need to verify
the
> > entered information is only numbers and 2. I need to compare
the
> > entered number to a given value. In reading on the <INPUT>
tag
> I
> > see that the Method "onChange" is available, how do I
> use/trigger a
> > method from the <INPUT> tag?
> >
> > 2) Actually #1 might help with this question... When someone
> enters
> > data on the line and goes to the next line I would like to
> initiate
> > some code to update the database with that information.
> >
> > My input lines are simular to this:
> > There can be several lines.
> > First Name & Last Name are Display only
> > Date & Weight must be entered (X = check box)
> > I have a weight limit available from the Database to compare
the
> > entered weight to.
> >
> > First Name Last Name Date Weight X
> > First Name Last Name Date Weight X
> > First Name Last Name Date Weight X
> > etc.
> >
> > Here is one of the Forms I set up, this represents a single
line:
> > <FORM name="Player2" method="post" action="EditTeam.asp">
> > <TABLE width="80%" border="0" cellpadding="0"
cellspacing="0"
> > summary="Summary">
> > <TR>
> > <TH scope="row"><LABEL>
> > <INPUT name="FirstName" type="text" id="FirstName" size="17"
> > Maxlength="15">
> > <INPUT name="LastName" type="text" id="LastName" size="27"
> > maxlength="25">
> > <INPUT name="MI" type="text" size="3"
maxlength="1">
> > <INPUT name="BirthDate" type="text" id="BirthDate" size="12"
> > maxlength="10">
> > <INPUT name="JerseyNumber" type="text" id="JerseyNumber"
> size="4"
> > maxlength="2">
> > <INPUT name="Weight" type="text" id="Weight" size="5"
> maxlength="3">
> >
>
> > <INPUT type="checkbox" name="BirthCert"
> >
>
value="True"> &n
> > bsp;
> > <INPUT type="checkbox" name="Star"
> > value="True">
> > <INPUT type="submit" name="Accept" value="Accept">
> > </LABEL></TH>
> > <TD> </TD>
> > </TR>
> > </TABLE>
> > </FORM>
> >
> >
> >
> >
> >
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