"Adjusting the width of columns in a Datatable

I have arranged a data table with multiple rows and columns, and I am seeking guidance on how to increase the width of the "Tel. 1, Tel. 2, and Fecha" columns to ensure that the text appears on a single line. I've attempted adjusting the s width and the columnsdef property in the datatable js but have not achieved the desired result.

   <html>

<head>

    <!DOCTYPE html>
    
    // Additional head code //

 </head>

<body>

// Additional body content //

Answer №1

Consider adjusting table-layout to fixed by incorporating this CSS snippet:

table.display {
    table-layout: fixed;          
}

By implementing this change, the new width values will be applied according to your requirements. Hopefully, this solution proves effective for you. Thank you.

To delve deeper into the Table-Layout CSS property, refer to this resource.


In your scenario where "bAutoWidth": false is being used, manual adjustment of column widths is necessary. Instead of defining widths using "aoColumns", you can adopt the following approach:

"aoColumnDefs": [
   { "bSortable": false, "aTargets": [ 0 ] },
   { "sWidth": "50px", "aTargets": [0,1,2,3,4,5,6,9,11,12,13,14,15] },
   //            ^ Consistent width for all columns (excluding Tel.1, Tel.2, and Fecha).
   { "sWidth": "80px", "aTargets": [7,8,10] },
   //            ^ Specific width for 3 chosen columns.
],

Your revised oTable code snippet appears as follows:

var oTable = $('#maintable').dataTable( {
        "aoColumnDefs": [
            { "bSortable": false, "aTargets": [ 0 ] },
            { "sWidth": "50px", "aTargets": [0,1,2,3,4,5,6,9,11,12,13,14,15] },
            { "sWidth": "80px", "aTargets": [7,8,10] },
        ],
        "aaSorting": [[1, 'asc']],
        "scrollY": 500,
        "scrollX": true,
        "bAutoWidth": false,

        "language": {
            "lengthMenu": "Display _MENU_ data per page.",
            "zeroRecords": "Nothing found.",
            "info": "Showing _PAGE_ of _PAGES_",
            "infoEmpty": "No data available",
            "infoFiltered": "(filtered from _MAX_ total records)",
            "search": "Search:",
            "paginate": {
                "first":      "First",
                "last":       "Last",
                "next":       "Next",
                "previous":   "Previous"
            }
        }
    });

Answer №2

To implement this feature, insert the following code snippet into the columDefs section:

"columnDefs": [
{ "width": "20%", "targets": [7,8,10] }
]

In this scenario, columns indexed as 7, 8, and 10 correspond to Tel 1, Tel 2, and Fecha respectively.

Answer №3

give this a shot

"tableLayout": [
{ "size": "90px", "selections": "_any" }
]

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