Namespaces in the SharePoint Foundation Object Model

Applies to: SharePoint Foundation 2010

The Microsoft SharePoint Foundation 2010 object model consists of 76 namespaces in 19 assemblies that are used in SharePoint sites on the server that is running SharePoint Foundation.

Public Namespaces

The following table lists the public namespaces, identifies their assemblies, and briefly describes namespaces that can be used to customize a deployment.

Name	Assembly	Description
Microsoft.BusinessData.Infrastructure	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides types and members for working with the business data infrastructure.
Microsoft.BusinessData.Infrastructure.Collections	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides types and members for working with the business data infrastructure collections.
Microsoft.BusinessData.Infrastructure.SecureStore	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides interfaces, classes, and enumerations for working with the secure store.
Microsoft.BusinessData.Infrastructure.Throttle	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides an interface for loading and controlling throttle rules.
Microsoft.BusinessData.MetadataModel	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes, interfaces, methods, and enumerations for designing external systems, external content types, and associations between external content types.
Microsoft.BusinessData.MetadataModel.Collections	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes for working with collections in the metadata model.
Microsoft.BusinessData.Offlining	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes for working with the data cache on the client.
Microsoft.BusinessData.Runtime	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes for creating or augmenting types that can be reflected by using a Microsoft .NET Framework type reflector.
Microsoft.BusinessData.SystemSpecific	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes for handling tasks that are specific to the external system.
Microsoft.BusinessData.SystemSpecific.Wcf	Microsoft.BusinessData (in Microsoft.BusinessData.dll)	Provides classes for creating user-generated proxies and for specifying and instantiating custom bindings.
Microsoft.HtmlTrans	Microsoft HtmlTrans Interface (in Microsoft.HtmlTrans.Interface.dll)	Provides an interface for custom conversion applications that deliver HTML versions of documents to users who do not have the required client application or viewer installed on their computers.
Microsoft.SharePoint	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for working with a top-level site and its subsites or lists.
Microsoft.SharePoint.Administration	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides administrative types and members for managing a SharePoint Foundation deployment.
Microsoft.SharePoint.Administration.AccessControl	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for performing access control, determining access to securable objects, specifying access rules, and determining rights.
Microsoft.SharePoint.Administration.Backup	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for performing backup and restore operations on SharePoint sites.
Microsoft.SharePoint.Administration.Claims	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides administrative types and members for managing claims-based authentication.
Microsoft.SharePoint.Administration.Health	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for working with SharePoint Health Analyzer rules and reports.
Microsoft.SharePoint.AdministrationOperation	Microsoft.SharePoint.AdministrationOperation (in Microsoft.SharePoint.AdministrationOperation.dll)	Provides types and members for performing administrative operations in SharePoint Foundation.
Microsoft.SharePoint.ApplicationRuntime	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes and interfaces that enable customization of some aspects of the run-time behavior of SharePoint Foundation, such as caching behavior and culture setup.
Microsoft.SharePoint.Applications.GroupBoard	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes associated with the GroupBoard feature.
Microsoft.SharePoint.Applications.GroupBoard	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides server controls for use with the mobile-device version of GroupBoard pages.
Microsoft.SharePoint.Applications.GroupBoard.WebControls	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides Web control definitions and event handlers for the GroupBoard feature.
Microsoft.SharePoint.Applications.GroupBoard.WebPartPages	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides Web Parts page definitions for the GroupBoard feature.
Microsoft.SharePoint.BusinessData.Administration	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes that administer external content types.
Microsoft.SharePoint.BusinessData.Infrastructure	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes that handle the metadata of the Business Data Connectivity (BDC) service.
Microsoft.SharePoint.BusinessData.MetadataModel	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes that handle the metadata model.
Microsoft.SharePoint.BusinessData.MetadataModel.Constants	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes to define constants used in the metadata model.
Microsoft.SharePoint.BusinessData.Parser	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes to handle package contents.
Microsoft.SharePoint.BusinessData.Runtime	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Creates or augments types that can be reflected against with a Microsoft .NET Framework type reflector.
Microsoft.SharePoint.BusinessData.SharedService	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes that handle the shared service.
Microsoft.SharePoint.BusinessData.SystemSpecific	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides a class for handling throttling rules.
Microsoft.SharePoint.Client	Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll)	Provides a subset of types and members in the Microsoft.SharePoint namespace for working with a top-level site and its lists or child Web sites.
Microsoft.SharePoint.Client.Application	Microsoft.SharePoint.Client.Runtime (in Microsoft.SharePoint.Client.Runtime.dll)	Provides an object model for performing authentication through code that operates on the client computer.
Microsoft.SharePoint.Client.Utilities	Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll)	Provides a client object model for encoding strings, for working with security principals, and for performing specific utilities tasks.
Microsoft.SharePoint.Client.WebParts	Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll)	Provides types and members for working with Web Parts on the client.
Microsoft.SharePoint.Client.Workflow	Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll)	Provides an entry point into SharePoint Foundation workflow from the client object model. The members of this namespace mirror those found in the object model.
Microsoft.SharePoint.Deployment	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for importing and exporting content between SharePoint Foundation Web sites.
Microsoft.SharePoint.Diagnostics	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for logging application information to SharePoint Foundation usage and diagnostics logs.
Microsoft.SharePoint.Dsp	Microsoft.SharePoint.Dsp (in Microsoft.SharePoint.Dsp.dll)	Provides the base class for the data retrieval service adapters used in SharePoint Foundation.
Microsoft.SharePoint.Dsp.OleDb	Microsoft.SharePoint.Dsp.OleDb (in Microsoft.SharePoint.Dsp.OleDb.dll)	Provides the data retrieval service adapter for performing queries against OLE DB data sources.
Microsoft.SharePoint.Dsp.SoapPT	Microsoft.SharePoint.Dsp.SoapPT (in Microsoft.SharePoint.Dsp.SoapPT.dll)	Provides the data retrieval service adapter for performing pass-through queries against arbitrary Web services.
Microsoft.SharePoint.Dsp.Sts	Microsoft.SharePoint.Dsp.Sts (in Microsoft.SharePoint.Dsp.Sts.dll)	Provides the data retrieval service adapter for performing queries against sites, lists, and document libraries in SharePoint Foundation.
Microsoft.SharePoint.Dsp.XmlUrl	Microsoft.SharePoint.Dsp.XmlUrl (in Microsoft.SharePoint.Dsp.XmlUrl.dll)	Provides the data retrieval service adapter for performing queries against arbitrary XML data sources.
Microsoft.SharePoint.EmailIntegration	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes for integrating e-mail communication with users into SharePoint Foundation sites.
Microsoft.SharePoint.IdentityModel	Microsoft.SharePoint.IdentityModel (in Microsoft.SharePoint.IdentityModel.dll)	Provides types and members for managing and handling the claims-based identity model configuration.
Microsoft.SharePoint.IdentityModel.Pages	Microsoft.SharePoint.IdentityModel (in Microsoft.SharePoint.IdentityModel.dll)	Provides types and members for pages and login modes that use claims.
Microsoft.SharePoint.JSGrid	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides methods used to control the display and output format of data used within a grid control.
Microsoft.SharePoint.JsonUtilities	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides methods to encode, decode, and process ECMAScript operations involving the grid control.
Microsoft.SharePoint.Linq	Microsoft.SharePoint.Linq (in Microsoft.SharePoint.Linq.dll)	Provides classes that implement the LINQ to SharePoint provider.
Microsoft.SharePoint.Meetings	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members that can be used to customize Meeting Workspace sites.
Microsoft.SharePoint.MobileControls	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides server controls for rendering the mobile forms and view pages used in SharePoint lists.
Microsoft.SharePoint.MobileMessage	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes for building SharePoint Foundation solutions that incorporate messages to mobile devices.
Microsoft.SharePoint.Navigation	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for customizing the navigation structures and site maps of SharePoint Web sites.
Microsoft.SharePoint.PowerShell	Microsoft.SharePoint.PowerShell (in Microsoft.SharePoint.PowerShell.dll)	Provides base classes to create custom cmdlets for Windows PowerShell for SharePoint.
Microsoft.SharePoint.Search.Query	Microsoft.SharePoint.Search (in Microsoft.SharePoint.Search.dll)	Provides classes to build custom search Web Parts and search applications to execute queries against the Search service.
Microsoft.SharePoint.Security	Microsoft SharePoint Security (in Microsoft.SharePoint.Security.dll)	Provides a set of code access permission and attribute classes designed to protect a specific set of resources and operations, such as access to the SharePoint Foundation object model, the ability to do unsafe saving on HTTP Gets, and enabling point-to-point Web Part connections.
Microsoft.SharePoint.SoapServer	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Contains classes that implement the SharePoint Foundation Web Service and Web services for working with Web Parts pages and Web Parts. In most cases, the members of these classes are not designed to be called from the server but remotely from client applications.
Microsoft.SharePoint.StsAdmin	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides an interface for creating custom operations to run at the command prompt in STSADM.EXE.
Microsoft.SharePoint.Upgrade	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for upgrading a SharePoint Foundation deployment.
Microsoft.SharePoint.UserCode	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for working with sandboxed solutions.
Microsoft.SharePoint.Utilities	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides utilities for encoding strings and processing user information.
Microsoft.SharePoint.WebControls	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides server controls that are used on site and list pages in a SharePoint site.
Microsoft.SharePoint.WebPartPages	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides classes, interfaces, and members for creating custom Web Parts and Web Parts pages
Microsoft.SharePoint.WebPartPages.Communication	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides a set of interfaces and their supporting classes and members that can be implemented in the class of a custom Web Part to support creating connections with other Web Parts.
Microsoft.SharePoint.Workflow	Microsoft.SharePoint (in Microsoft.SharePoint.dll)	Provides types and members for associating, initiating, and managing workflow templates and instances.
Microsoft.SharePoint.Workflow.Application	Microsoft.SharePoint.Workflows (in Microsoft.SharePoint.Workflows.dll)	Provides a class that represents the three-stage workflow in SharePoint Foundation.
Microsoft.SharePoint.WorkflowActions	Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)	Provides types that represent workflow activities. These activities can be assembled into workflow activities.
Microsoft.SharePoint.WorkflowActions.WithKey	Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)	Provides classes that enable workflow activities to reference list items by the SPItemKey.
Microsoft.Web.Design.Server	Microsoft.Web.Design.Server (in Microsoft.Web.Design.Server.dll)	Contains interfaces, classes, and attributes that are used when rendering SharePoint Foundation Web pages.
Microsoft.Web.Design.Utility	Microsoft.Web.Design.Server (in Microsoft.Web.Design.Server.dll)	Contains helper classes used by the Microsoft.Web.Design.Server namespace for rendering elements on a SharePoint Foundation page.

See Also

Other Resources

Workflows in SharePoint Foundation