Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

deselect selected item from select box

Posted on 2003-10-28
7
Medium Priority
?
1,099 Views
Last Modified: 2008-02-01
I have a select box that is activated/deactivated by a check box selection, when the user deacivates the selectbox by unchecking the checkbox i want to clear any selections they have made, that is deselect the selected item so that there is no hightlighted item.
i have tried
obj.selectedIndex=false; // selects first item in list
obj.selectedIndex=0;      // selects first item in list
obj.selectedIndex=-1;    // selects first item in list

obj.options[obj.selectedIndex].selected=false; no results

sorry about the cheap points it's all i have left
0
Comment
Question by:James Rodgers
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
  • 2
7 Comments
 
LVL 33

Accepted Solution

by:
knightEknight earned 120 total points
ID: 9635471
that should work, but you may try this:

selObj.focus();
selObj.selectedIndex =- 1;
selObj.blur();
0
 
LVL 33

Expert Comment

by:knightEknight
ID: 9635476
... but I suspect something else is going on.  Can you show us the code you are using on the checkbox to deselect the item?
0
 
LVL 33

Expert Comment

by:knightEknight
ID: 9635483
should be something like this:

<INPUT type="checkbox" name="mycb" onclick="if(!this.checked)this.form.nameOfTheSelect.selectedIndex=-1;" />
0
VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

 
LVL 15

Expert Comment

by:VincentPuglia
ID: 9635507
this what you looking for?
<html><head>
<script>
function deSelect(selObj)
{
  selObj.options[0].selected = true;
  selObj.options[selObj.selectedIndex].selected = false
}

</script>
</head>
<body>
<form name='a'>
<input type="checkbox" onclick='if (!this.checked) deSelect(this.form.c)'>
<select name="c">
<option selected>Select something</option>
<option>1</option>
<option>1</option>
<option>1</option>
</select>
</form>
</body>
</html>
0
 
LVL 25

Author Comment

by:James Rodgers
ID: 9635573
this is my checkbox

<input type="checkbox" value="3" name="optChange3" onclick="if(this.checked)document.frmAddPosition.selEmpList.disabled=false; else {document.frmAddPosition.selEmpList.options[document.frmAddPosition.selEmpList.selectedIndex].selected=false; document.frmAddPosition.selEmpList.disabled=true;}">Edit position holder<br>
0
 
LVL 15

Expert Comment

by:VincentPuglia
ID: 9635589
so? call the function & make the necessary changes
0
 
LVL 25

Author Comment

by:James Rodgers
ID: 9635779
Vincent,
tried your code with same results

first item in option list is selected and remains selected.

knightEknight

i am going to try your first answer to see if the focus, blur results in the solution i need

Thanks
0

Featured Post

Build and deliver software with DevOps

A digital transformation requires faster time to market, shorter software development lifecycles, and the ability to adapt rapidly to changing customer demands. DevOps provides the solution.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article will give core knowledge of JavaScript and will head in to your first JavaScript program. I am Durvesh Naik and I am here to deal with this series of JavaScript. I will teach you JavaScript in part wise , as its quite boring to read big…
Boost your ability to deliver ambitious and competitive web apps by choosing the right JavaScript framework to best suit your project’s needs.
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
The viewer will learn the basics of jQuery including how to code hide show and toggles. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery…

721 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question