jQuery Grid Plugin - jqGrid

Hello,

I am workign on jQGrid where data is loaded on AJAX calls and feeded to the Grid. The Grid may contain variable number of columns, dependign on what user selects. So data is loaded dynamically and feeded to Grid in a dynamic fashion without refreshing the page. For now I have set the ColModel to Max number of columns.

But wanted to know if there is a better way to work around col model and set the col model later depending on the number of Cols I get from the JSON data. Tried SHow/ Hide but wasnt that good, I felt like some issues like Data loss and mis-alignment of Grid was coming up.

Thanks,

Drew