i am using visual studio 2010 and arcgis server 10 to develop Server Object Extension and while developing the manager property page esri.arcgis.servermanager is missing how to include this assembly reference in my project. i am using this link for help http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/How_to_develop_a_property_page_for_the_REST_SOE/000100000nwm000000/ plz help me asap.
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?