var exportOptions = new ExportMapOptions
{
     BoundingBox = options.ViewExtent,
     LayerIds = options.MapServiceLayers[i].VisibleLayerIds,
     TransparentMap = true,
     BoundingBoxSpatialReference =options.BoundingBoxSpatialReference,
     ImageFormat = ImageFormats.PNG24,
     Size =(options.ShowLegend)? new Size {Height = 1300, Width = 1500}
                     : new Size {Height = 995, Width = 1600}
};

var svs = new SpatialQueryService(options.MapServiceLayers[i].Url);
ExportMapResult result = svs.ExportMap(exportOptions,"URL FOR MAPSERVICE");

var options = new FindOperationOptions
    {
       ExactMatchOnly = parameters.ExactMatch,
       Layers = _mapService.Layers.Where(l => layerIds.Contains(l.Id.ToString() ) ).Select(l => l.Layer).ToList(),
       ReturnGeometry = true,
       SearchFields = parameters.Attributes.Select(a => a.Name).ToList(),
       SearchText = parameters.SearchValue,
       SpatialReference = MapHandler.MapSpatialReference
     };

var client = new QueryServiceClient();
var results = client.Find(options,"URL FOR MAPSERVICE");

QueryServiceClient querySvs = new QueryServiceClient();
var results= querySvs.GetAvailableLayers(Url);

var options = new IdentifyOptions
    {
        Geometry = geometry,
        GeometryType = GeometryTypes.Point,
        ImageDisplay = new ImageDisplay
             {
                  Dpi = (int)MapHandler.CurrentMap.Resolution,
                  Height = (int)MapHandler.CurrentMap.ActualHeight,
                  Width = (int)MapHandler.CurrentMap.ActualWidth
             },
        Tolerance = 5,
        ReturnGeometry = true,
        LayerOptions = new LayersOptions
             {
                  IdentifyLayerLevel = IdentifyLayerLevels.All,
                  LayerIds = layerIds
             },
        MapExtent = GeometryTranslator.TranslateEnvelope(MapHandler.GetExtent()),
        SpatialReference = new SpatialReference { WellKnownId = MapHandler.CurrentMap.SpatialReference.WKID.ToString() }
      };
var client = new QueryServiceClient();
var results=client.Identify(options,"URL FOR MAPSERVICE");

var criteria = new Criteria
    {
        ComparisonType = ComparisonType.Equals,
        Value = ids.First(),
        Field = idField
    };

var secondaryCriteria = ids.Skip(1).Select(sc => new SecondaryCriteria
    {
        ComparisonType = ComparisonType.Equals,
        Value = sc,
        Field = idField,
        LogicalOperator = LogicalOperator.Or
     }).ToList();

var sqo = new SpatialQueryOptions
     {
        Criteria = criteria,
        InputSpatialReference = MapHandler.MapSpatialReference,
        OutputSpatialReference = MapHandler.MapSpatialReference,
        Layer = layer,
        ReturnAllFields = true,
        ReturnGeometry = true,
        SecondaryCriteria = secondaryCriteria
     };

var client = new QueryServiceClient();
var result= client.Query(sqo,"URL FOR MAPSERVICE");

var criteria = new Criteria
    {
        ComparisonType = ComparisonType.Equals,
        Value = ids.First(),
        Field = idField
    };

var secondaryCriteria = ids.Skip(1).Select(sc => new SecondaryCriteria
    {
        ComparisonType = ComparisonType.Equals,
        Value = sc,
        Field = idField,
        LogicalOperator = LogicalOperator.Or
     }).ToList();

var sqo = new SpatialQueryOptions
     {
        Criteria = criteria,
        InputSpatialReference = MapHandler.MapSpatialReference,
        OutputSpatialReference = MapHandler.MapSpatialReference,
        Layer = layer,
        ReturnAllFields = true,
        ReturnGeometry = true,
        SecondaryCriteria = secondaryCriteria
     };

var client = new QueryServiceClient();
var result= client.QueryObjectIds(sqo,"URL FOR MAPSERVICE");