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<!DOCTYPE html><html><head><meta charset="utf-8"><link rel="shortcut icon" type="image/ico" href="http://www.datatables.net/favicon.ico"><meta name="viewport" content="initial-scale=1.0, maximum-scale=2.0"><title>DataTables example - Generated content for a column</title><link rel="stylesheet" type="text/css" href="../../media/css/jquery.dataTables.css"><link rel="stylesheet" type="text/css" href="../resources/syntax/shCore.css"><link rel="stylesheet" type="text/css" href="../resources/demo.css"><style type="text/css" class="init"></style><script type="text/javascript" language="javascript" src="//code.jquery.com/jquery-1.11.3.min.js"></script><script type="text/javascript" language="javascript" src="../../media/js/jquery.dataTables.js"></script><script type="text/javascript" language="javascript" src="../resources/syntax/shCore.js"></script><script type="text/javascript" language="javascript" src="../resources/demo.js"></script><script type="text/javascript" language="javascript" class="init">$(document).ready(function() {var table = $('#example').DataTable( {"ajax": "data/arrays.txt","columnDefs": [ {"targets": -1,"data": null,"defaultContent": "<button>Click!</button>"} ]} );$('#example tbody').on( 'click', 'button', function () {var data = table.row( $(this).parents('tr') ).data();alert( data[0] +"'s salary is: "+ data[ 5 ] );} );} );</script></head><body class="dt-example"><div class="container"><section><h1>DataTables example <span>Generated content for a column</span></h1><div class="info"><p>In some tables you might wish to have some content generated automatically. This can be done in a number of ways:</p><ul class="markdown"><li><a href="//datatables.net/reference/option/columns.render"><code class="option" title="DataTables initialisation option">columns.render</code></a> forcontent that is dynamic (i.e. based upon the row's data)</li><li><a href="//datatables.net/reference/option/columns.defaultContent"><code class="option" title="DataTables initialisation option">columns.defaultContent</code></a> for static content (i.e. simple strings)</li></ul><p>This examples shows the use of <a href="//datatables.net/reference/option/columns.defaultContent"><code class="option" title="DataTables initialisation option">columns.defaultContent</code></a> to create a <em>button</em> element in the last column of the table. A simple jQuery<code>click</code> event listener is used to watch for clicks on the row, and when activated uses the <a href="//datatables.net/reference/api/row().data()"><code class="api" title="DataTables API method">row().data()</code></a> method to get the data for the row and show abit of information about it in an <code>alert</code> box. This is a simple use case, but it can be built up to be arbitrarily complex.</p><p>Note also that the <a href="//datatables.net/reference/option/columns.data"><code class="option" title="DataTables initialisation option">columns.data</code></a> option for the column has been set to <code>null</code> to indicate that the column has no informationthat should be obtained data source object.</p></div><table id="example" class="display" cellspacing="0" width="100%"><thead><tr><th>Name</th><th>Position</th><th>Office</th><th>Extn.</th><th>Start date</th><th>Salary</th></tr></thead><tfoot><tr><th>Name</th><th>Position</th><th>Office</th><th>Extn.</th><th>Start date</th><th>Salary</th></tr></tfoot></table><ul class="tabs"><li class="active">Javascript</li><li>HTML</li><li>CSS</li><li>Ajax</li><li>Server-side script</li></ul><div class="tabs"><div class="js"><p>The Javascript shown below is used to initialise the table shown in this example:</p><code class="multiline language-js">$(document).ready(function() {var table = $('#example').DataTable( {"ajax": "data/arrays.txt","columnDefs": [ {"targets": -1,"data": null,"defaultContent": "<button>Click!</button>"} ]} );$('#example tbody').on( 'click', 'button', function () {var data = table.row( $(this).parents('tr') ).data();alert( data[0] +"'s salary is: "+ data[ 5 ] );} );} );</code><p>In addition to the above code, the following Javascript library files are loaded for use in this example:</p><ul><li><a href="//code.jquery.com/jquery-1.11.3.min.js">//code.jquery.com/jquery-1.11.3.min.js</a></li><li><a href="../../media/js/jquery.dataTables.js">../../media/js/jquery.dataTables.js</a></li></ul></div><div class="table"><p>The HTML shown below is the raw HTML table element, before it has been enhanced by DataTables:</p></div><div class="css"><div><p>This example uses a little bit of additional CSS beyond what is loaded from the library files (below), in order to correctly display the table. Theadditional CSS used is shown below:</p><code class="multiline language-css"></code></div><p>The following CSS library files are loaded for use in this example to provide the styling of the table:</p><ul><li><a href="../../media/css/jquery.dataTables.css">../../media/css/jquery.dataTables.css</a></li></ul></div><div class="ajax"><p>This table loads data by Ajax. The latest data that has been loaded is shown below. This data will update automatically as any additional data isloaded.</p></div><div class="php"><p>The script used to perform the server-side processing for this table is shown below. Please note that this is just an example script using PHP. Server-sideprocessing scripts can be written in any language, using <a href="//datatables.net/manual/server-side">the protocol described in the DataTablesdocumentation</a>.</p></div></div></section></div><section><div class="footer"><div class="gradient"></div><div class="liner"><h2>Other examples</h2><div class="toc"><div class="toc-group"><h3><a href="../basic_init/index.html">Basic initialisation</a></h3><ul class="toc"><li><a href="../basic_init/zero_configuration.html">Zero configuration</a></li><li><a href="../basic_init/filter_only.html">Feature enable / disable</a></li><li><a href="../basic_init/table_sorting.html">Default ordering (sorting)</a></li><li><a href="../basic_init/multi_col_sort.html">Multi-column ordering</a></li><li><a href="../basic_init/multiple_tables.html">Multiple tables</a></li><li><a href="../basic_init/hidden_columns.html">Hidden columns</a></li><li><a href="../basic_init/complex_header.html">Complex headers (rowspan and colspan)</a></li><li><a href="../basic_init/dom.html">DOM positioning</a></li><li><a href="../basic_init/flexible_width.html">Flexible table width</a></li><li><a href="../basic_init/state_save.html">State saving</a></li><li><a href="../basic_init/alt_pagination.html">Alternative pagination</a></li><li><a href="../basic_init/scroll_y.html">Scroll - vertical</a></li><li><a href="../basic_init/scroll_y_dynamic.html">Scroll - vertical, dynamic height</a></li><li><a href="../basic_init/scroll_x.html">Scroll - horizontal</a></li><li><a href="../basic_init/scroll_xy.html">Scroll - horizontal and vertical</a></li><li><a href="../basic_init/comma-decimal.html">Language - Comma decimal place</a></li><li><a href="../basic_init/language.html">Language options</a></li></ul></div><div class="toc-group"><h3><a href="../advanced_init/index.html">Advanced initialisation</a></h3><ul class="toc"><li><a href="../advanced_init/events_live.html">DOM / jQuery events</a></li><li><a href="../advanced_init/dt_events.html">DataTables events</a></li><li><a href="../advanced_init/column_render.html">Column rendering</a></li><li><a href="../advanced_init/length_menu.html">Page length options</a></li><li><a href="../advanced_init/dom_multiple_elements.html">Multiple table control elements</a></li><li><a href="../advanced_init/complex_header.html">Complex headers with column visibility</a></li><li><a href="../advanced_init/object_dom_read.html">Read HTML to data objects</a></li><li><a href="../advanced_init/html5-data-attributes.html">HTML5 data-* attributes - cell data</a></li><li><a href="../advanced_init/html5-data-options.html">HTML5 data-* attributes - table options</a></li><li><a href="../advanced_init/language_file.html">Language file</a></li><li><a href="../advanced_init/defaults.html">Setting defaults</a></li><li><a href="../advanced_init/row_callback.html">Row created callback</a></li><li><a href="../advanced_init/row_grouping.html">Row grouping</a></li><li><a href="../advanced_init/footer_callback.html">Footer callback</a></li><li><a href="../advanced_init/dom_toolbar.html">Custom toolbar elements</a></li><li><a href="../advanced_init/sort_direction_control.html">Order direction sequence control</a></li></ul></div><div class="toc-group"><h3><a href="../styling/index.html">Styling</a></h3><ul class="toc"><li><a href="../styling/display.html">Base style</a></li><li><a href="../styling/no-classes.html">Base style - no styling classes</a></li><li><a href="../styling/cell-border.html">Base style - cell borders</a></li><li><a href="../styling/compact.html">Base style - compact</a></li><li><a href="../styling/hover.html">Base style - hover</a></li><li><a href="../styling/order-column.html">Base style - order-column</a></li><li><a href="../styling/row-border.html">Base style - row borders</a></li><li><a href="../styling/stripe.html">Base style - stripe</a></li><li><a href="../styling/bootstrap.html">Bootstrap</a></li><li><a href="../styling/foundation.html">Foundation</a></li><li><a href="../styling/jqueryUI.html">jQuery UI ThemeRoller</a></li></ul></div><div class="toc-group"><h3><a href="../data_sources/index.html">Data sources</a></h3><ul class="toc"><li><a href="../data_sources/dom.html">HTML (DOM) sourced data</a></li><li><a href="../data_sources/ajax.html">Ajax sourced data</a></li><li><a href="../data_sources/js_array.html">Javascript sourced data</a></li><li><a href="../data_sources/server_side.html">Server-side processing</a></li></ul></div><div class="toc-group"><h3><a href="../api/index.html">API</a></h3><ul class="toc"><li><a href="../api/add_row.html">Add rows</a></li><li><a href="../api/multi_filter.html">Individual column searching (text inputs)</a></li><li><a href="../api/multi_filter_select.html">Individual column searching (select inputs)</a></li><li><a href="../api/highlight.html">Highlighting rows and columns</a></li><li><a href="../api/row_details.html">Child rows (show extra / detailed information)</a></li><li><a href="../api/select_row.html">Row selection (multiple rows)</a></li><li><a href="../api/select_single_row.html">Row selection and deletion (single row)</a></li><li><a href="../api/form.html">Form inputs</a></li><li><a href="../api/counter_columns.html">Index column</a></li><li><a href="../api/show_hide.html">Show / hide columns dynamically</a></li><li><a href="../api/api_in_init.html">Using API in callbacks</a></li><li><a href="../api/tabs_and_scrolling.html">Scrolling and Bootstrap tabs</a></li><li><a href="../api/regex.html">Search API (regular expressions)</a></li></ul></div><div class="toc-group"><h3><a href="./index.html">Ajax</a></h3><ul class="toc active"><li><a href="./simple.html">Ajax data source (arrays)</a></li><li><a href="./objects.html">Ajax data source (objects)</a></li><li><a href="./deep.html">Nested object data (objects)</a></li><li><a href="./objects_subarrays.html">Nested object data (arrays)</a></li><li><a href="./orthogonal-data.html">Orthogonal data</a></li><li class="active"><a href="./null_data_source.html">Generated content for a column</a></li><li><a href="./custom_data_property.html">Custom data source property</a></li><li><a href="./custom_data_flat.html">Flat array data source</a></li><li><a href="./defer_render.html">Deferred rendering for speed</a></li></ul></div><div class="toc-group"><h3><a href="../server_side/index.html">Server-side</a></h3><ul class="toc"><li><a href="../server_side/simple.html">Server-side processing</a></li><li><a href="../server_side/custom_vars.html">Custom HTTP variables</a></li><li><a href="../server_side/post.html">POST data</a></li><li><a href="../server_side/ids.html">Automatic addition of row ID attributes</a></li><li><a href="../server_side/object_data.html">Object data source</a></li><li><a href="../server_side/row_details.html">Row details</a></li><li><a href="../server_side/select_rows.html">Row selection</a></li><li><a href="../server_side/jsonp.html">JSONP data source for remote domains</a></li><li><a href="../server_side/defer_loading.html">Deferred loading of data</a></li><li><a href="../server_side/pipeline.html">Pipelining data to reduce Ajax calls for paging</a></li></ul></div><div class="toc-group"><h3><a href="../plug-ins/index.html">Plug-ins</a></h3><ul class="toc"><li><a href="../plug-ins/api.html">API plug-in methods</a></li><li><a href="../plug-ins/sorting_auto.html">Ordering plug-ins (with type detection)</a></li><li><a href="../plug-ins/sorting_manual.html">Ordering plug-ins (no type detection)</a></li><li><a href="../plug-ins/range_filtering.html">Custom filtering - range search</a></li><li><a href="../plug-ins/dom_sort.html">Live DOM ordering</a></li></ul></div></div><div class="epilogue"><p>Please refer to the <a href="http://www.datatables.net">DataTables documentation</a> for full information about its API properties and methods.<br>Additionally, there are a wide range of <a href="http://www.datatables.net/extensions">extensions</a> and <a href="http://www.datatables.net/plug-ins">plug-ins</a> which extend the capabilities of DataTables.</p><p class="copyright">DataTables designed and created by <a href="http://www.sprymedia.co.uk">SpryMedia Ltd</a> © 2007-2015<br>DataTables is licensed under the <a href="http://www.datatables.net/mit">MIT license</a>.</p></div></div></div></section></body></html>