SPList.EnableAttachments Property

Gets or sets a Boolean value that specifies whether attachments can be added to items in the list.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online

public bool EnableAttachments { get; set; }

Property Value

Type: System.Boolean
true if attachments can be added to list items; otherwise, false.

The EnableAttachments property does not apply to any list that has a base type of Survey or DocumentLibrary. If you set this property to true for either type of list, it throws an SPException.