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POAllow only one checkbox selected. 1 checkbox each in two independent forms, all on one page
 

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  1. POAllow only one checkbox selected. 1 checkbox each in two independent forms, all on one page
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    <p>I have a HTTP interface page that requires the user to upload various independent files. For this I have created multiple tables that each have its own form. </p> <p>In two of the tables I need one checkbox each that allows the user to select it which then requires that the file is installed on system startup. </p> <p>Both tables are for uploading system firmware, one table for primary firmware, and the other for backup firmware. </p> <p>The system will crash if both firmwares are being uploaded, hence separate forms. </p> <p>Because of this crashing issue, for the two checkboxes it needs to be: One selected, or the other selected, or neither selected.</p> <p>Here is a sample html code:</p> <pre><code>&lt;body&gt; &lt;div id="container"&gt; &lt;table width="1000" border="0" cellpadding="1" class="uploadBox"&gt; &lt;tr&gt; &lt;td width="460" rowspan="2"&gt; &lt;form action="fileupload.html" method="post" enctype="multipart/form-data"&gt; &lt;b&gt;Update Primary System Firmware&lt;/b&gt; &lt;p style="margin-bottom: 2px"&gt; &lt;b&gt;File: &lt;/b&gt; &lt;input type="file" name="firmwaremain" size="30" /&gt; &lt;input type="submit" value="Upload" /&gt; &lt;/p&gt; &lt;/td&gt; &lt;td width="210" height="23"&gt;Current File Name:&lt;/td&gt; &lt;td width="117"&gt;Current File Size:&lt;/td&gt; &lt;td width="102"&gt;File Upload Date:&lt;/td&gt; &lt;td width="93"&gt;Install on Start&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;~curFirmName~&lt;/td&gt; &lt;td width="117"&gt;~curFirmSize~&lt;/td&gt; &lt;td width="102"&gt;~curFirmDate~&lt;/td&gt; &lt;td width="93"&gt;&lt;input type="checkbox" name="firmPrim" id="firmPrim" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; &lt;table width="1000" border="0" cellpadding="1"&gt; &lt;tr&gt; &lt;td width="460" rowspan="2"&gt; &lt;form action="fileupload.html" method="post" enctype="multipart/form-data"&gt; &lt;b&gt;Update Backup System Firmware&lt;/b&gt; &lt;p style="margin-bottom: 2px"&gt;&lt;b&gt;File: &lt;/b&gt; &lt;input type="file" name="firmwarebackup" size="30" /&gt; &lt;input type="submit" value="Upload" /&gt; &lt;/p&gt; &lt;/td&gt; &lt;td width="210" height="23"&gt;Current File Name:&lt;/td&gt; &lt;td width="117"&gt;Current File Size:&lt;/td&gt; &lt;td width="102"&gt;File Upload Date:&lt;/td&gt; &lt;td width="93"&gt;Install on Start&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;~curBackName~&lt;/td&gt; &lt;td width="117"&gt;~curBackSize~&lt;/td&gt; &lt;td width="102"&gt;~curBackDate~&lt;/td&gt; &lt;td width="93"&gt;&lt;input type="checkbox" name="firmBackup" id="firmBackup" /&gt;&lt;/td&gt; &lt;/table&gt; &lt;/form&gt; &lt;/div&gt; </code></pre> <p></p> <p>As you can see, they checkboxes are in two independent forms, so it has been difficult for me to run a JavaScript code, since (I think) it calls for the checkboxes to be in one form. </p> <p>Also I cant use radio buttons because they are in different forms, plus there has to be an option for neither to be selected.</p> <p>Is there a way to validate the whole page and check all forms so that only one check box can be selected on the page? </p> <p>Thanks!</p> <p>Regards, Josh</p>
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    1. USDan
    1. USJosh C
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    1. COthe tildes (~) by the way are files that are passed to the webpage via c code and xml.
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    2. COwhy not use a radio with a none option selected by default?
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      1. USnathan hayfield
    3. COyou can set a boolean to false and then search through both forms for the check checkboxes. if you find one checked set it to true. if you find a second one checked and the boolean is already true then call your error code (set them both unchecked or whatever you need to do)
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      1. POAllow only one checkbox selected. 1 checkbox each in two independent forms, all on one page
      1. USnathan hayfield
 

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