摘要： IntroductionThis article explains how to call a Web Service method using the XmlHttp protocol encapsulated by theXmlHttpRequestobject.BackgroundTheXmlHttpRequestobject was available as an ActiveX control in earlier versions of Internet Explorer (version 5.0 and 6.0), and you had to create this objec 阅读全文

摘要： Class: QueryTaskDescriptionExecutes a query operation on a layer resource of a map service exposed by the ArcGIS Server REST API（在基于ArcGIS Server REST API发布的地图服务的一个图层资源上执行一个查询操作）.------------------------------------------------------------------------------------Code snippets:（代码片段）Class: QueryDescr 阅读全文