Databases
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    <p>It's probably being caused </p> <pre><code>if (!document.getElementsByTagName || !document.createTextNode) return; </code></pre> <p>If you are getting undefined.</p> <p>Best thing I can suggest is throw a load of debugging in e.g. :</p> <pre><code>&lt;script type="text/javascript"&gt; function getTableRow() { console.log( "getTableRow function called" ); var rowIdx; var rowData= []; var selectedRow; var rowCellValue; if (!document.getElementsByTagName || !document.createTextNode) { console.log( document.getElementsByTagName, document.createTextNode, "Returning early" ); return; } var rows = document.getElementById('products_table').getElementsByTagName('tbody')[0].getElementsByTagName('tr'); for (i = 0; i &lt; rows.length; i++) { rows[i].onclick = function() { rowIdx = this.rowIndex; selectedRow= this.cells; for(j= 0;j&lt;selectedRow.length;j++){ rowCellValue= selectedRow[j].textContent || selectedRow[j].innerText; rowData.push('cell '+j+': '+rowCellValue); } } } console.log( "Returning correctly" ); return "Row #" +rowIdx+'. '+ rowData[i]; } &lt;/script&gt; </code></pre> <p>If you're using firefox get yourself <a href="http://getfirebug.com/" rel="nofollow">http://getfirebug.com/</a> and see what the console outputs</p> <p>If you're using chrome press F12 and click on console and see what that says</p> <p>If you're unsure about what's available in the document element try :</p> <p><a href="https://developer.mozilla.org/en/docs/Web/API/Element" rel="nofollow">https://developer.mozilla.org/en/docs/Web/API/Element</a></p> <p><a href="http://msdn.microsoft.com/en-us/library/ie/ms535862(v=vs.85).aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/ie/ms535862(v=vs.85).aspx</a></p> <p><a href="http://www.w3schools.com/jsref/dom_obj_document.asp" rel="nofollow">http://www.w3schools.com/jsref/dom_obj_document.asp</a></p>
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    1. This table or related slice is empty.
    1. POonclick event get value from javascript function not working
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    1. USJames Lockhart
    1. USJames Lockhart
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. VO
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      1. This table or related slice is empty.
      1. VTDownMod
    1. COThere are no modern browsers where that `if` would succeed.
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      1. USBarmar
    2. COYes i getting every time i try to do something to work undefined.You believe i must try to erase that line?Thanks
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      1. USuser3071235
    3. COThanks i will try now..
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      1. USuser3071235
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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