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IListDataSource.itemFromKey method

  • Artículo

Retrieves the item with the specified key.

Syntax

iListDataSource.itemFromKey(key, description).done( /* Your success and error handlers */ );

Parameters

  • key
    Type: String

    The key of the item to retrieve. It must be a non-empty string.

  • description [optional]
    Type: Object

    Domain-specific information that IListDataAdapter can use to improve the retrieval time.

Return value

Type: Promise**

A Promise that provides an IItem that contains the requested item or a FetchError if an error was encountered. If the item was not found, the promise completes with a null value.

Requirements

Minimum WinJS version

WinJS 3.0

Namespace

WinJS.UI

See also

IListDataSource