[ask] default showing row

1x4n

sorry if this question have been asked before but i've been searching in google and can't find the answer
how can i set default row to show in datatables?
we know that datatables set default to 10 and can be changed to 25, 50, 100
i want to set it to 20 at start
i've tried
[code]
"bLengthChange" : 20,
"sLength": 20
[/code]
but still not working

thanx for fast reply and the answer

1x4n

solved, i edited core at datatables.js
[code]
this._iDisplayLength = 20;
[/code]

mstrand

I've used the iDisplayLength option to do this, e.g.

"iDisplayLength": 20

The documentation for this option is here:

http://www.datatables.net/usage/options