SP.List.getRelatedFields() Method
Applies to: SharePoint Foundation 2010
Returns a collection of lookup fields that use this list as a data source and that have FieldLookup.IsRelationship set to true.
var value = SP.List.getRelatedFields();
Return Value
Type: SP.RelatedFieldCollection
Exceptions
- [System.UnauthorizedAccessException]
The current user has insufficient permissions. Error code: -2147024891.
Applies To
Example
The following example creates an input button on an application page that displays the identifier of any fields related to the current website’s Tasks list.
<asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">
<script type="text/ecmascript" language="ecmascript">
var relatedFieldCollection;
function runCode() {
var clientContext = new SP.ClientContext.get_current()
if (clientContext != undefined && clientContext != null) {
var web = clientContext.get_web();
var listCollection = web.get_lists();
var list = listCollection.getByTitle("Tasks");
// Get the collection of lookup fields that use this list as a data source and
// that have FieldLookup.IsRelationship set to true.
this.relatedFieldCollection = list.getRelatedFields();
clientContext.load(this.relatedFieldCollection);
clientContext.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));
}
}
function onQuerySucceeded(sender, args) {
var relatedFieldInfo = '';
var relatedFieldEnumerator = this.relatedFieldCollection.getEnumerator();
while (relatedFieldEnumerator.moveNext()) {
var relatedField = relatedFieldEnumerator.get_current();
relatedFieldInfo += 'Related Field ID: ' + relatedField.get_fieldId().toString() + '\n';
}
alert(relatedFieldInfo);
}
function onQueryFailed(sender, args) {
alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
}
</script>
<input id="Button1" type="button" value="Run Code" onclick="runCode()" />
</asp:Content>