SPList.AddItem method (String, SPFileSystemObjectType, String)

Creates a list item of a specified type with a specified file name in the specified folder in the list.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public SPListItem AddItem(
	string folderUrl,
	SPFileSystemObjectType underlyingObjectType,
	string leafName


Type: System.String

The server-relative URL of the folder where the list item should be created. The URL should begin with a forward slash; for example, /sites/mysite/subweb/Lists/mylist/myfolder.

Type: Microsoft.SharePoint.SPFileSystemObjectType

One of the enumeration values that specifies the type of file system object that the new list item represents.

Type: System.String

The file name, including the file extension; for example, mydoc.doc. For more information, see the Name property.

Return value

Type: Microsoft.SharePoint.SPListItem
The new list item.


underlyingObjectType is neither File nor Folder.

To add an item to a list, first call the AddItem method to create a list item of the specified type with the specified file name in the specified folder. Then use indexers on the returned SPListItem object to assign specific values for each field of the item. Finally, call the Update method on the SPListItem object to write the changes to the database.

Important noteImportant

The new item is not actually added to the list until you save it to the content database by calling the SPListItem.Update method.