i downloaded the ArcGIS API 3.1 for Silverlight, and installed it following the steps from esri. but when i wanted to add a csvlayer, the vs reported that "csvlayer" was not exist in the namespace like below: 错误 1 命名空间“http://schemas.esri.com/arcgis/client/2009”中不存在“CsvLayer”名称。 C:\Users\CODEY\documents\visual studio 2012\Projects\slmapdemo\slmapdemo\MainPage.xaml 22 21 slmapdemo do anyone can help me? thanks a lot!
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