Hi,
'editor' is private variable and should not be used directly. Use
grid.getColumnModel().getColumnAt(2).getCellEditor().field
getCellEditor( <code style="font-style: normal; font-weight: normal; font-family: 'Lucida Console', 'Courier New', Courier, monospace; font-size: 12px; ">Number rowIndex</code> ) : Ext.Editor<div class="mdesc" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 5px; padding-right: 0px; padding-bottom: 5px; padding-left: 0px; color: rgb(68, 68, 68); "><div class="long" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; display: block; line-height: 18px; ">Returns the
editor defined for this column that was created to wrap the
Field used to edit the cell.<div class="mdetail-params" style="margin-top: 10px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 12px; font-size: 12px; "><strong style="font-style: normal; font-weight: bold; display: block; margin-bottom: 3px; font-size: 11px; color: rgb(85, 85, 85); ">Parameters:[/b]<ul style="margin-top: 12px; margin-right: 12px; margin-bottom: 12px; margin-left: 12px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; list-style-type: circle; list-style-position: inside; list-style-image: initial; "><li style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; list-style-position: inside; list-style-type: circle; list-style-image: initial; "><code style="font-style: normal; font-weight: normal; font-family: 'Lucida Console', 'Courier New', Courier, monospace; font-size: 12px; ">rowIndex</code> : Number<div class="sub-desc" style="margin-top: 5px; margin-right: 5px; margin-bottom: 5px; margin-left: 16px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">The row index[/list]<strong style="font-style: normal; font-weight: bold; display: block; margin-bottom: 3px; font-size: 11px; color: rgb(85, 85, 85); ">Returns:[/b]<ul style="margin-top: 12px; margin-right: 12px; margin-bottom: 12px; margin-left: 12px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; list-style-type: circle; list-style-position: inside; list-style-image: initial; "><li style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; list-style-position: inside; list-style-type: circle; list-style-image: initial; "><code style="font-style: normal; font-weight: normal; font-family: 'Lucida Console', 'Courier New', Courier, monospace; font-size: 12px; ">Ext.Editor</code>[/list]