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04.08.2004 at 12:36PM PDT, ID: 20948220
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9.4

DHTML:  Adding Dynamic Radio Inputs

Asked by Dexstar in JavaScript

Tags: , ,

I'm trying to dynamically add radio inputs to a form, but it's not working quite right.  The code I have adds the radio buttons properly, but they are not selectable, and I can't seem to be able to retrieve the value.  How do I fix it so they are selectable, and I can retrieve the value of the one the user selects?

It only needs to work on IE5 or higher.  Thanks in advance.

Dex*

---
Here is the code thus far
---

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
      <HEAD>
            <TITLE>Radio Test</TITLE>
            <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
            <SCRIPT>
                  var nCount = 0;
                  
                  function AddRadio()
                  {
                        var aE2 = document.createElement("<input type=\"radio\">");
                        //aE2.Type = "radio";
                        aE2.Name = "SelOpt";
                        aE2.Value = ++nCount;
            
                        var oRow = tblTest.insertRow(-1);
                        var oCell = oRow.insertCell(-1);
                        oCell.appendChild( aE2 );
            
                        oCell = oRow.insertCell(-1);
                        oCell.innerHTML = "Option #" + nCount;
                  }

                  function RadioTest()
                  {
                        var str = "Options Created = " + nCount + "\n" +
                                          "Selected = " + frmTest.SelOpt.value;
                        divResult.innerHTML = str;
                  }

                  </SCRIPT>
      </HEAD>
      <BODY>
            <BLOCKQUOTE>
                  <h1>Radio Test</h1>
                  <input type=button onclick="AddRadio();" value="Add Radio Option">
                  <br>
                  <input type=button onclick="RadioTest();" value="Show Option" ID="Button1" NAME="Button1">
                  <p>
                  <div id="divResult"></div>
                  </p>
                  <form id="frmTest">
                        <table id="tblTest">
                        </table>
                  </form>
            </BLOCKQUOTE>
      </BODY>
</HTML>
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[+][-]04.08.2004 at 12:55PM PDT, ID: 10786653

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About this solution

Zone: JavaScript
Tags: radio, dynamic, button
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Solution Provided By: Zvonko
Participating Experts: 2
Solution Grade: A
 
 
[+][-]04.08.2004 at 01:13PM PDT, ID: 10786799

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[+][-]04.08.2004 at 01:15PM PDT, ID: 10786817

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[+][-]04.08.2004 at 01:47PM PDT, ID: 10787048

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[+][-]04.08.2004 at 02:30PM PDT, ID: 10787370

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[+][-]10.12.2004 at 09:28AM PDT, ID: 12288831

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