SharePoint 201 ListViewByQuery Control 应用

学习MSDN视频教程，没有源代码，自己按照视频上的demo测试的

地址：http://msdn.microsoft.com/zh-cn/sharepoint/ee513147.aspx

    [ToolboxItemAttribute(false)]
    public class Bonnevlie_StandardWP : WebPart
    {
        ListViewByQuery MyCustomView;
        protected override void CreateChildControls()
        {
            SPWeb thisWeb = null;
            thisWeb = SPContext.Current.Web;           

            DateTimeControl filterDate = new DateTimeControl();
            filterDate.DateOnly = true;
            filterDate.AutoPostBack = true;
            filterDate.SelectedDate = DateTime.Today;
            filterDate.DateChanged += new EventHandler(filterDate_DateChanged);
            this.Controls.Add(filterDate);
            this.Controls.Add(new LiteralControl("<br/>"));

            MyCustomView = new ListViewByQuery();
            MyCustomView.List = thisWeb.Lists["任务"];
            SPQuery query = new SPQuery(MyCustomView.List.DefaultView);
            query.ViewFields = "<FieldRef Name='Title'/><FieldRef Name='DueDate'/>";
            query.Query = "<Where><Leq><FieldRef Name='DueDate'/>"
                + "<Value Type='DateTime'>"
                + SPUtility.CreateISO8601DateTimeFromSystemDateTime(filterDate.SelectedDate)
                + "</Value></Leq></Where>";           
            MyCustomView.Query = query;   
            this.Controls.Add(MyCustomView);
        }

        void filterDate_DateChanged(object sender, EventArgs e)
        {
            //throw new NotImplementedException();
            DateTimeControl filterDate = (DateTimeControl)sender;
            SPQuery query = new SPQuery(MyCustomView.List.DefaultView);
            query.ViewFields = "<FieldRef Name='Title'/><FieldRef Name='DueDate'/>";
            query.Query = "<Where><Leq><FieldRef Name='DueDate'/>"
               + "<Value Type='DateTime'>"
               + SPUtility.CreateISO8601DateTimeFromSystemDateTime(filterDate.SelectedDate)
               + "</Value></Leq></Where>";
            MyCustomView.Query = query;
        }
    }