update dropdown box after Ajax call

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Hi,

I created a dropdown control in my application as below.

var dropdown_c0c0 = new com.sap.xmii.ui.UIElementDropdownM({

dataStatic:"false",

dataDynamic :"true",

keyValueList :"",

queryPath:"Test/test.XQry",

keyColumn:"wc",

valueColumn:"wc",

defaultValue:"",

colSpan :"2",

rowSpan :"1",

topPosition :"1",

leftPosition :"7",

controlVisible :"true",

controlEnabled :"true",

textSize:"12",

controlId: 2,

onSelect :"",

onInitialize :""});

form_c0c0.add(dropdown_c0c0);

on event, I passed parameters to the query Test/test.XQry which is attached to the dropdown and executed the query using Ajax. I want to populate the result of the query in the dropdown after Ajax call.

$.ajax({

url: '/XMII/Illuminator?QueryTemplate=Test/test.XQry&Content-Type=text/json',

type: 'POST',

data:{'Param.1':plant, 'Param.2':sfc},

success: function(sdata)

{

var oResult = sdata.Rowsets.Rowset[0].Row;

var abc = [];

abc.push(oResult[0].wc);

var oModel = new sap.ui.model.json.JSONModel();

oModel.setData(abc);

dropdown_c0c0.setModel(oModel);

}

})

But still the dropdown is not updated. Any help will be appreciated.

Regards,

Naga.