I have Created Custom Master Page. and i want to access SharePoint List Data in this Master Page using JavaScript.
I write the following script to access data but it gives error that "sp.clientcontext.get_current() null or undefined"
<script type="text/javascript">
window.onload=function(){
var url = window.location.protocol + "//" + window.location.host + _spPageContextInfo.siteServerRelativeUrl;
var context = new SP.ClientContext.get_current(); // error "sp.clientcontext.get_current() null or undefined"
var clientContext = new SP.ClientContext(url);
var oList = clientContext.get_web().get_lists().getByTitle('MasterPageLinks');
var camlQuery = new SP.CamlQuery();
camlQuery.set_viewXml(
'<View><Query><Where><Geq><FieldRef Name=\'ID\'/>' +
'<Value Type=\'Number\'>1</Value></Geq></Where></Query>' +
'<RowLimit>10</RowLimit></View>'
);
this.collListItem = oList.getItems();
clientContext.load(collListItem);
clientContext.executeQueryAsync(
Function.createDelegate(this, this.onQuerySucceeded),
Function.createDelegate(this, this.onQueryFailed)
);
};
function onQuerySucceeded(sender, args) {
debugger;
var listItemInfo = '';
var listItemEnumerator = collListItem.getEnumerator();
while (listItemEnumerator.moveNext()) {
var oListItem = listItemEnumerator.get_current();
listItemInfo += '\nID: ' + oListItem.get_id() +
'\nTitle: ' + oListItem.get_item('Title') +
'\nBody: ' + oListItem.get_item('Body');
}
alert(listItemInfo.toString());
}
function onQueryFailed(sender, args) {
alert('Request failed. ' + args.get_message() +
'\n' + args.get_stackTrace());
}
</script>
How can i do this?