DataTables

dlicorish

The value passed server-side for the Search Box (sSearch) is not consistent. Initially, with no text in the Search field, sSearch is passed to the server as an empty string (""). However, if the box has been populated, then cleared, sSearch is passed as the string "null". Not sure if this is a bug or feature! ;-)

David

sebastienbelanger

Having the same behavior. Anyone else experienced this?

Is there a work-around?

allan

I can't replicate that issue using my server-side processing example: http://datatables.net/release-datatables/examples/data_sources/server_side.html . Can you link me to a page which does show the problem?

Allan

sebastienbelanger

Oh sorry, didn't read properly the original post. Not using server-side processing on my page.

Can't link to a page though as this is an internal app...

allan

I've also just tried it on my client-side processing demos and it appears to work okay there. Can you use the debugger ( http://debug.datatables.net ) on your table when this problem occurs please?

Allan

sebastienbelanger

Actually, if you try the example on this page:

http://datatables.net/beta/1.9/examples/advanced_init/localstorage.html

Try typing a value, then erasing it and refreshing the page. The box will be populated with "null"

I actually just found a work-around by doing the following after the table init:

if($("#example_filter input").val()=="null"){
oTable.fnFilter( '' );
}

allan

What browser are you using where you see that? I've just tried Firefox and Safari (don't have IE to hand atm) and can't see that.

Allan

sebastienbelanger

Having this behavior using IE8. Tried with the latest version of Firefox and don't have this behavior.

repairman2003

Yes, IE8 passes on "null". I resolved this by forcing the page to load in IE 7 compatibility mode.

allan

Sorry I haven't had a chance to look at this yet - I've added this to my pre-1.9.1 list to make sure I do look at it before 1.9.1 is released (which will be next week now).

Allan

allan

This is possibly the most mental bug in IE I've ever come across! There is a blog post here from the IE team which describes the behaviour: http://blogs.msdn.com/b/jscript/archive/2009/06/23/serializing-the-value-of-empty-dom-elements-using-native-json-in-ie8.aspx .

So the fix in DataTables is to cast the "empty string" to an empty string. Bonkers - but it works. Included in 1.9.1.

Allan

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