Add list item using Silverlight client object model Sharepoint 2010

A small example for how to add list item using Silverlight client object model Sharepoint 2010

ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;
            ListCollection collList = oWebsite.Lists;

            oList = clientContext.Web.Lists.GetByTitle("yourList");

            ListItem oListItem = oList.AddItem(new ListItemCreationInformation());
            oListItem["Title"] = "My new item";
            oListItem["Body"] = "This is my new item.";
            oListItem.Update();

            clientContext.Load(oList,list => list.Title);

            clientContext.ExecuteQueryAsync(onQuerySucceeded, onQueryFailed);
        }

        private void onQuerySucceeded(object sender, ClientRequestSucceededEventArgs args)
        {
            UpdateUIMethod updateUI = DisplayInfo;
            this.Dispatcher.BeginInvoke(updateUI);
        }

        private void DisplayInfo()
        {
            MyOutput.Text = "New item created in " + oList.Title;
        }