Retrieve OBJECTID from query result from GISServer

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Is there any way to obtain the OBJECTID value from returned result from GISServer query?

For example:

var searchString = "OBJECTID = 0001 OR OBJECTID = 0002";var queryTask = new esri.tasks.QueryTask(url);var queryParams = new esri.tasks.Query();queryParams.outSpatialReference = new esri.SpatialReference({ wkid: xxxx });queryParams.returnGeometry = true;queryParams.where = searchString;queryTask.execute(queryParams, resultsCallback, errorCallback);If the returned result from above queryTask.execute() has only one feature, how do I know it is OBJECTID 0001 or OBJECTID 0002?

Of course..I can do the query one by one, but I am just wondering if there is better way to do it.

Thanks



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