System.Object
   System.ComponentModel.MarshalByValueComponent
      System.Web.Services.WebService
         Terrasoft.UI.WebControls.BaseWebService
            Terrasoft.UI.WebControls.ApplicationWebService
               Terrasoft.UI.WebControls.SessionWebService
                  Terrasoft.UI.WebControls.SchemaManagerWebService
                  Terrasoft.WebApp.Services.DataSourceService
                  Terrasoft.WebApp.Services.ProfileService

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference