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I'd like to create a select by attribute window in my webGIS using silverlight api . this is like select by attribute in arcgis desktop . i create select layer combobox ( cbolayers)and select fields combobox(cbofields) to select fields of selected layer . the application needs a listbox to list unique values of selected field like arcgis desktop unique values listbox . i surf in the internet but couldn't find any good source to help me about How can i create unique values listbox .could you please help me about this subject?

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