populate combo via json

[fcodebue]

I'm try to populate combo via json and using it in a grid
look at code...

Code:

...

      columns:[[
        {field:'cb', title:'',checkbox:true, width: 50},
        {field:'id', title:'id', width: 50},
        {field:'codice', title:'codice', width: 50},
        {field:'riga', title:'riga', sortable:true, width: 50},
        {field:'iva_codice', title:'IVA', sortable:true, width: 150,   
					editor:{
						type:'combobox',
						options:{
							valueField:'codice',
							textField:'descrizione_1',
      				url:'c_op/aliquote_iva',
							required: true
						}
					}                  
        },
        {field:'imponibile_valore_valuta', title:'imponibile', sortable:true, width: 120, align: 'right', 
          editor: {type:'numberbox', options:{ precision:2}}},
        {field:'conto_codice', title:'mastrino', width: 90, editor:'text'},
        {field:'descrizione_1', title:'descrizione', width: 250, editor:'text'}
      ]],
...

what's worng?

[stworthy]

It seems there is no problem. Usually you should define the 'formatter' function to format your field value when end the editing action.