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        CacheDependency fileDepends = new CacheDependency(Server.MapPath("Northwind.xml"));
         Cache.Insert("GridViewDataSet", dsGrid, fileDepends);
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string[] fileDependsArray = {Server.MapPath("Northwind.xml")};
string[] cacheDependsArray = {"Depend0", "Depend1", "Depend2"};
CacheDependency cacheDepends = new CacheDependency(fileDependsArray, cacheDependsArray);
Cache.Insert("GridViewDataSet", dsGrid, cacheDepends);
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