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2012-02-22T15:28:14.473
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If you need to attach events to elements that are likely to be added in the future (via Ajax) then you should always use event delegation. In simple terms it works by attaching an event to the parent element and then checking to see which child was clicked. It doesn't matter if child elements are added or removed. The correct way to use delegation in jQuery is with the .on() and .off() methods: <pre><code>$("#dataTable tbody").on("click", "tr", function(event){ alert($(this).text()); }); </code></pre> .live() and delegate() have been deprecated in favour of this new syntax. In fact, jQuery now just passes calls to those functions straight through to .on() and .off() <pre><code>live: function( types, data, fn ) { jQuery( this.context ).on( types, this.selector, data, fn ); return this; } delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); } </code></pre> Note: This is not only useful in Ajax applications. If you have a table with 1000 rows for example, it is far more efficent to use a delegated event on the table itself, rather than attaching to 100s of elements Some further reading: <ul> <li><a href="http://api.jquery.com/on/" rel="nofollow">http://api.jquery.com/on/</a></li> <li><a href="http://www.nczonline.net/blog/2009/06/30/event-delegation-in-javascript/" rel="nofollow">http://www.nczonline.net/blog/2009/06/30/event-delegation-in-javascript/</a></li> <li><a href="http://davidwalsh.name/event-delegate" rel="nofollow">http://davidwalsh.name/event-delegate</a></li> </ul>
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1. POHow to make javascript work to response to buttons added later in AJAX way
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1. USSimon Smith
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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.