oops , sorry 4 such a short description I am using arcgis server10 with flex 4 and api 2.5 for my web application. I loaded map, having grid of layers and basic tools in that. Now i want to develop a tool using which i should select 2-3 layers , combine those layers and then perform query on that(combined layers) Like in arcMAP...when we union 2-3 layers then it form a new layer.....likethat i want in my application for this purpose i used feature layers but got confused wat to do next.. so suggest me something Thanks for ur reply..
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