Dynamic Layer Online

This sample includes a Map and a DynamicMapServiceLayer and demonstrates how to add an ArcGIS Server dynamic (non-cached) map service layer to a map. Use ArcGIS Server Services Directory to discover the Url to reference the map service.

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XAML C# VB.NET
<UserControl x:Class="ArcGISWPFSDK.DynamicMap"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:esri="http://schemas.esri.com/arcgis/client/2009">
    <Grid x:Name="LayoutRoot" Background="White" >
        <esri:Map x:Name="MyMap" Background="#FFE3E3E3">
            <esri:ArcGISDynamicMapServiceLayer ID="MyLayer"
                 Url="http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer"/>
        </esri:Map>
    </Grid>
</UserControl>

Sample code usage restrictions
5/16/2014