App_Code/Sections/NewsList.cs

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//===============================================================================================
//
// (c) Copyright Microsoft Corporation.
// This source is subject to the Microsoft Permissive License.
// See http://www.microsoft.com/resources/sharedsource/licensingbasics/sharedsourcelicenses.mspx.
// All other rights reserved.
//
//===============================================================================================

using System;
using System.Data;
using System.Collections.Generic;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

namespace MyWebPagesStarterKit
{
    /// <summary>
    /// News List Section
    /// This section displays a list of news
    /// Only news with a showuntil date that lies in the future are displayed
    /// </summary>
    public class NewsList : Section<NewsList.NewsListData>, ISidebarObject
    {
        public NewsList()
        {
            _data.Entries = new DataSet();
            _data.Entries.Tables.Add(new DataTable("NewsListEntries"));

            DataColumn primaryKeyColumn = new DataColumn("Guid", typeof(Guid));
            primaryKeyColumn.Unique = true;

            _data.Entries.Tables["NewsListEntries"].Columns.Add(primaryKeyColumn);
            _data.Entries.Tables["NewsListEntries"].PrimaryKey = new DataColumn[] { primaryKeyColumn };

            _data.Entries.Tables["NewsListEntries"].Columns.AddRange(
                new DataColumn[] 
                {
                    new DataColumn("Headline", typeof(string)),
                    new DataColumn("Newstext", typeof(string)),
                    new DataColumn("NewsDate", typeof(DateTime)),
                    new DataColumn("ShowUntil", typeof(DateTime))
                }
           );
        }
        public NewsList(string id) : base(id) { }

        /// <summary>
        /// The DataTable with all news
        /// </summary>
        public DataTable NewsEntries
        {
            get { return _data.Entries.Tables["NewsListEntries"]; }
        }

        /// <summary>
        /// Returns a DataView with all news that have a ShowUntil-Date in the future and NewsDate in the past
        /// </summary>
        public DataView GetNewsEntriesReadonly()
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