How to freeze a column

Hello ,I am the newer to use the great tool,so I met some difficile now .I want to know if there are a method to freeze the columns, for example I want to freeze the third colume so that it can not be edited.(because I add a editor to my APP,now everycell in my grid can be edited but it is not I desire ,thanX :o)

I would like to know it also :)

setCellEditable should work for you.
See http://www.activewidgets.com/aw.ui.grid/cell-editable.html