IListDataSource.itemFromKey method

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
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