JSON RestDataSource once transaction - multiple "add" operation returning data record

[immobilia]

Hi, with SmartGwt 5, I can't find the correct JSON format return need by my ListGrid and her RestDataSource (only in case of multiple "add" in same operation/transaction).

The doc, explain a bad return, but I search one JSON correct response...

Previously i use correctly a XML datasource, but i didn't find the equivalent with JSON.

With XML correctly working, the result need to be :

<?xml version="1.0" encoding="UTF-8"?>
<responses>
	<response>
		<data>
			<record>
...
			</record>
		</data>
	</response>
	<response>
		<data>
			<record>
...
			</record>
		</data>
	</response>
	<status>0</status>
</responses>

But, with JSON, after differents tests, is not working something like :

{
	"responses": {
		"status": 0,
		"response": [{
			"response": {
				"status": 0,
				"data": {
...
				}
			}
		},
		{
			"response": {
				"status": 0,
				"data": {
...
				}
			}
		}]
	}
}

It's a classic RestDataSource JSON.

RestDataSource dataSource = new RestDataSource();
dataSource.setDataFormat(DSDataFormat.JSON);
dataSource.setDataProtocol(DSProtocol.POSTMESSAGE);

OperationBinding add = new OperationBinding();
add.setOperationType(DSOperationType.ADD);
add.setDataProtocol(DSProtocol.POSTMESSAGE);

Can you give me and to the documentation a working sample of JSON response with two operations in same transaction ?

For example, the client call :

{
	"transaction": {
		"transactionNum": 52,
		"operations": [{
			"dataSource": "isc_sector_5_0",
			"operationType": "add",
			"textMatchStyle": "exact",
			"componentId": "UPStockOT58",
			"data": {
				"id": 1244962,
				"_selection_27": true
			},
			"oldValues": null
		},
		{
			"dataSource": "isc_sector_5_0",
			"operationType": "add",
			"textMatchStyle": "exact",
			"componentId": "UPStockOT58",
			"data": {
				"id": 1328573,
				"_selection_27": true
			},
			"oldValues": null
		}]
	}
}

Edit and SOLVED (reading this SmartGwt post):

The reply must be :

[{
	"response": {
		"status": 0,
		"data": {
...
		}
	}
},
{
	"response": {
		"status": 0,
		"data": {
...
		}
	}
}]

but you need use :

dataSource.setJsonPrefix("");
dataSource.setJsonSuffix("");

or configure servlet JSON return by adding default json*fix used by client.