jQuery Grid Plugin - jqGrid

Hi,

I tried to export the grid setting after the user move the columns/change width by doing a .post to a xhttprequest.

First question: I am able to locate the change width event, but is there an event when the user drag and move the header column.

Second Question: after I do a .post to save the config setting to database, if I drag and drop header, the data doesn't match up with the header anymore. Should I do a 

jQuery('#list1').trigger("reloadGrid");

Or something like that?

s = jQuery('#list1').jqGrid('jqGridExport', { exptype: 'xmlstring', root: 'grid', ident: '\t' });

$.post("some.ashx", {configxml: s});

Thanks in advance.

JonL