Hello

I have an input box in a grid which i have applied through renderer.
Code:
renderer:function(value,metadata,record,rowIndex,colIndex,store,view){
     return '<input type="text" id="contact_email_'+rowIndex +'"/>';
 }
The problem is that when i perform any action on grid, the renderer gets called and the input box resets. I dont want the input box to get reset once it is rendered. I need some way so that renderer gets called just once or some other kind of solution

Thanks