I have such json in my grid:

{“page”:”1″,”records”:3,”total”:1,”userdata”:””,”rows”:[{“id”:”1″,”title”:”Wrong Title After Saving”,”date”:”2010-09-03″,”is_active”:”1″,”status”:”New Ticket”},{“id”:”2″,”title”:”Can't remove a record”,”date”:”2010-10-12″,”is_active”:”1″,”status”:”Assigned”},{“id”:”3″,”title”:”Add refresh button fro grid”,”date”:”2010-12-07″,”is_active”:”1″,”status”:”Done”}]}

My jsonReader is:

jsonReader: {

I think you need use custon button instead delete button.

http://www.trirand.com/jqgridwiki/doku.php?id=wiki:custom_buttons

In button's event handler you need use

var rowId = $(“#grid-selector”).getGridParam(“selrow”);

and then use

Did you try to use FireBug for debug this?