Selection of a value changes text in text box? - HTML & WEB-Design

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Selection of a value changes text in text box? Posted by cmps_getch on 1 Sept 2006 at 10:47 AM

This message was edited by cmps_getch at 2006-9-1 12:14:24

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Re: Selection of a value changes text in text box? Posted by zibadian on 1 Sept 2006 at 11:06 AM

: I feel dumb asking this because its prob simple but.... How do I make it where say I had three options in a drop down menu and the user selects one i want the textbox on the side of the dropdown to change its value depending on what the user selected automaticly without refreshing the page? any ideas???
:
I've used the following code for a combobox with a textbox:

function setScript()
{
  txt=document.forms[0].f2.options[document.forms[0].f2.selectedIndex].text;
  document.forms[0].f1.value=txt;
}

YOu can use a similar code for a dropdown menu.

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Re: Selection of a value changes text in text box? Posted by cmps_getch on 1 Sept 2006 at 1:27 PM

nope didnt work

all i want to do is change the values of the text box depending on the selction from the drop menu

<body>
<form action="">
<select onchange="if (this.selectedIndex==1){this.form['box'].style.visibility='visible'}
else {this.form['box'].style.visibility='hidden'} ;
if (this.selectedIndex==1){this.form['box2'].style.visibility='visible'}
else {this.form['box2'].style.visibility='hidden'} ;">

<option value="">UNITS ON HAND</option>
<option value="">80</option>
<option value="">100</option>
<option value="">125</option>
<option value="">135</option>
<option value="">135</option>
</select>
<input style="visibility:hidden;" type="text" name="box" size="20" value="27">
<input style="visibility:hidden;" type="text" name="box2" size="20" value="$117,990">

</form>
</body>

</html>

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Re: Selection of a value changes text in text box? Posted by zibadian on 1 Sept 2006 at 1:32 PM

This message was edited by zibadian at 2006-9-1 13:33:47

: nope didnt work
:
: all i want to do is change the values of the text box depending on the selction from the drop menu
:
:
: <body>
: <form action="">
: <select onchange="if (this.selectedIndex==1){this.form['box'].style.visibility='visible'}
: else {this.form['box'].style.visibility='hidden'} ;
: if (this.selectedIndex==1){this.form['box2'].style.visibility='visible'}
: else {this.form['box2'].style.visibility='hidden'} ;">
:
:
: <option value="">UNITS ON HAND</option>
: <option value="">80</option>
: <option value="">100</option>
: <option value="">125</option>
: <option value="">135</option>
: <option value="">135</option>
: </select>
: <input style="visibility:hidden;" type="text" name="box" size="20" value="27">
: <input style="visibility:hidden;" type="text" name="box2" size="20" value="$117,990">
:
:
: </form>
: </body>
:
: </html>
:
This example might help: http://www.w3schools.com/htmldom/coll_select_options.asp
Especially take a look at the Try-it-yourself demos.

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