Some examples how can use SPquery or caml query in SharePoint 2010 Client Object model.

Some examples how can use SPquery or caml query in SharePoint 2010 Client Object model.

var site;
var context;
var list;
var collListItem;

context = new SP.ClientContext.get_current();
site = context.get_web();
context.load(site);

list = site.get_lists().getByTitle(‘MyList’);
context.load(list);

var camlQuery = new SP.CamlQuery();
camlQuery.set_viewXml(‘‘);
collListItem = list.getItems(camlQuery);
context.load(collListItem);

context.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));
}

function onQuerySucceeded(sender, args) {

alert(“Request succeeded. ” + args.Message + “\n” + args.StackTrace);
}

function onQueryFailed(sender, args) {

alert(“Request failed. ” + args.Message + “\n” + args.StackTrace);

}