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consistent width to the columns in the table in

have not specified more columns than there are in the HTML If using columns.render or columns.data ensure that

that the number of columns in the table header

be: $('#example').DataTable( { ajax: "../php/staff.php", columns: [ { data: "first_name" }, { data: "last_name"

will automatically scan a column's data and determine if

be used for multiple columns (or none if a

Using columns.render is the most common

the columns.data and / or columns.render options as objects. Consider

Winters", "Director", "$5,300", "Edinburgh" ) ], columns: [ { data: 'name' }, { data: 'salary'

headers: Colspan with hidden columns demo 1.8 introduces super

Are you defining the columns dynamically too? Because i

like you have 12 columns in your table and

nodes for the hidden columns which is what you

use this.api().columns( a ) where a = sequence of columns eg if columns 3,4 and 5 then a = '3,4,5'

single-click) filtering on category-like columns. But these category columns

Thanks Allan. I may try a render function for all columns as that would let me check a few other things at the same time.

will have multiple date columns while others will have

Maybe add a classname to those columns and use something like ":not(.my-classname)". Or use column numbers. If this doesn't help please build a test case showing an example of what you have so we can provide more specific ideas. Kevin

many tables and same columns thank you again Davide

You would use either columns, or columnDefs, not both. If you need to define all columns (perhaps because you're using ajax objects), then put all the config into columns, Colin