DSRequest：
            data    sortBy    startRow    endRow    oldValues    
        DSResponse：
            status    data    startRow    endRow    totalRows    error    

isc.DataSourse.create({
   ID: 
 
"sourseDS",   
   dataFormat: "xml" 
   dataURL: "data/xxx.xml"
   recordXPath: "//item"
   fields: [
      {name: "title", valueXPath: "", type: "text"},
              {name: "link"},
   ]
});

smartClient 4--數據集成