Ext.grid.CheckboxSelectionModel复选框设置某行不可以选中

    var sm = new Ext.grid.CheckboxSelectionModel({    
       renderer:function(v,c,r){  
             if(r.get("isEdit")=="可以编辑"){  
                 return "<div class=\"x-grid3-row-checker\">&#160;</div>";  
             }else{  
                 return "";  
             } 
         }
   });

 

 

var sm = new Ext.grid.CheckboxSelectionModel();

问题：Ext.grid.EditorGridPanel添加sm后无法勾选

解决：在columns里面也要添加sm