SPPropertyBag Class (Microsoft.SharePoint.Utilities)

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Microsoft.SharePoint.Utilities

SPPropertyBag Class

SPPropertyBag Members
SPPropertyBag Methods
SPPropertyBag Properties

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SPPropertyBag Class (Microsoft.SharePoint.Utilities)

SPPropertyBag Class (Microsoft.SharePoint.Utilities)

Stores arbitrary key-and-value pairs that contain custom property settings.

Namespace: Microsoft.SharePoint.Utilities
Assembly: Microsoft.SharePoint (in microsoft.sharepoint.dll)

Syntax

C++

JScript

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'Usage

Dim instance As SPPropertyBag


'Declaration

<SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel:=True)> _
<SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel:=True)> _
Public Class SPPropertyBag
    Inherits StringDictionary

Inheritance Hierarchy

System.Object
System.Collections.Specialized.StringDictionary
Microsoft.SharePoint.Utilities.SPPropertyBag

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Reference

SPPropertyBag Members
Microsoft.SharePoint.Utilities Namespace

Community Content

Update works not correctly by Remove

Added by:nikos.msk

To workaround it use

web.Properties[propName] = null; 

web.Properties.Update();

Troubleshoot: SPPropertyBag can not deserialize complex type

Added by:cakriwut

Be carefull, the SPPropertyBag can not deserialize complex type. There is no way back if you ever put complex type in SPPropertyBag, except you have to deal directly with configuration DB. (Dealing directly with config DB is unsupported, but at least this will save you).
Check how to troubleshoot SPPropertyBag problem here:
http://blog.libinuko.com/2009/10/11/troubleshoot-sppropertybag-can-not-deserialize-complex-type/