Duwamish7.0---(I数据通道 default.aspx篇)

1.default.aspx --Banner

web层：

<!-- BEGIN PAGE HEADER MODULE -->
      <Module:Header id="ModuleBanner" runat="server" />
<!-- END PAGE HEADER MODULE -->

调用modules/bannermodule.ascx

<%=PathPrefix + "/images/banner/bannerslice.gif"%> 中的PathPrefix为退到根目录

<%=PageBase.UrlBase + "/default.aspx"%> 中调用PageBase页面的UrlBase方法：

        /// <value>
        ///     Property UrlBase is used to get the prefix for URLs.
        /// </value>
 public static String UrlBase
 {
  get
  {
   return @"http://" + UrlSuffix;
  }
 }

返回根目录的default.aspx页面

        /// <value>
        ///     Property SecureUrlBase is used to get the prefix for URLs in the Secure directory.
        /// </value>
 public static String SecureUrlBase
 {
  get
  {
   return (DuwamishConfiguration.EnableSsl ? @"https://": @"http://") + UrlSuffix;
  }
 }

这个方法是返回Secure directory下面的File

 

2.default.aspx --Search

web层：

                <td style="padding-top:5" align="left">
               
                  <Module:Search id="ModuleSearch" runat="server">
                  </Module:Search>
                 
                </td>

调用modules/searchmodule.ascx

.ascx.cs主要是onclick="SearchButton_Click"事件

SearchResults.aspx.cs代码：resultsSet = (new ProductSystem()).GetSearchItems(searchEnumType, searchText);

Business/Facade 业务外观层：

调用类名称为：ProductSystem.cs的类中的GetSearchItems方法（根据指定的检索字段条件以及书名的关键字查询书的信息）

switch (searchType)
             {
                    case BookData.SearchTypeEnum.Author:
                        retVal = bookDataAccess.GetBooksByAuthor(searchText);
               break;
                    case BookData.SearchTypeEnum.ISBN:
                        retVal = bookDataAccess.GetBooksByISBN(searchText);
               break;
                    case BookData.SearchTypeEnum.Subject:
                        retVal = bookDataAccess.GetBooksBySubject(searchText);
               break;
                    case BookData.SearchTypeEnum.Title:
                        retVal = bookDataAccess.GetBooksByTitle(searchText);
               break;
                    default:
                        ApplicationAssert.Check(false, string.Format("searchType {0} is not valid", searchType.ToString()), ApplicationAssert.LineNumber);
                        break;
             }

DataAccess  数据访问层

调用类名称为：Books.cs的类中的各种方法，例如GetBooksByAuthor：

 public BookData GetBooksByAuthor(String searchText)
        {
            return FillBookData("GetBooksByAuthor", "@Author", searchText );
        }

 private BookData FillBookData(String commandText, String paramName, String paramValue)
        {
            if (dsCommand == null )
            {
                throw new System.ObjectDisposedException( GetType().FullName );
            }           
            BookData   data    = new BookData();
            SqlCommand command = dsCommand.SelectCommand;

            command.CommandText = commandText;
            command.CommandType = CommandType.StoredProcedure;
            SqlParameter param = new SqlParameter(paramName, SqlDbType.NVarChar, 255);
            param.Value = paramValue;
            command.Parameters.Add(param);           

            dsCommand.Fill(data);
            return data;
        }