how to find column index using dataIndex Extjs 4

Question

Well in ExtJS 3 i used the following code:

grid.getColumnModel().findColumnIndex(\"Tasks\")

I tried finding it on the api docs, but no luck...so how

Answer 1

var RowEditor = new Ext.grid.plugin.RowEditing({...});
    RowEditor.editor.form.findField('Task');