jQuery Grid Plugin - jqGrid

Here is what I do. I want to create jqgrid table, unfortunately my data is to large (it is about 70000 database record). So, my solution is to create a search box where user will type a minimum of 3 character, then when he click the search button, Server will respon with json data (with format described in here). And this already working.

The challenge is, after successfully receiving JSON data, i want to generate a jqgrid table. I'm also want edit and delete feature work on this jqgrid table. (Server URL is been ready for this purpose)

And, when user give focus to search box, type something, and click the search button again, the last jqgrid table disspear and replaced by new jqgrid table based on new JSON response. How can I do that? Thanks 🙂

PS:

i have already read this and this but still found no clue.