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<asp:Menu ID="Menu1" runat="server" BackColor="#E3EAEB" DataSourceID="XmlDataSource1" <DataBindings> <asp:MenuItemBinding DataMember="node" NavigateUrlField="url" TextField="text" /> <asp:MenuItemBinding DataMember="node" NavigateUrlField="url" TextField="text" /> <asp:MenuItemBinding DataMember="node" NavigateUrlField="url" TextField="text" /> </DataBindings> </asp:Menu> </form> </body> </html> As you can see, the Menu control is represented by the <asp:Menu> markup tag. The <DataBindings> section defines one or more data bindings, where each data binding is represented by an <asp:MenuItemBinding> element. Running the web form should render the menu as shown in Figure 11-15.

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For a short test, open web.config and edit the database connection password from the connection string. Now, trying to load BalloonShop without debugging (Ctrl+F5) generates a runtime exception. Have a look at the custom error page in Figure 4-24.

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#header-wrapper { width:920px; /*setting the width of the header area to be 920 pixels*/ margin:0 auto 10px; border:0px solid #FFFFFF; /*hiding the border around the header, banner image by setting it to 0 or you could have simply delete this entire line.*/ } #header { margin: 5px; border: 0px solid #FFFFFF; /*hiding the border around the inner part of the header, banner image by setting it to 0 or you could simply delete this entire line.*/ text-align: center; color:#441C1D; } #header .description { margin:0 5px 5px; padding:0 20px 15px; max-width:920px; /*setting the width of the header area to be 920 pixels*/ text-transform:uppercase; letter-spacing:.2em; line-height: 1.4em; font: normal normal 78% Verdana, sans-serif; color: #6F8694; } #outer-wrapper { width: 920px; /*setting the width of the header area to be 920 pixels*/ margin:0 auto; padding:0px; /* sets the extra space, padding, to 0 meaning there is no padding here */ border-top: 1px solid #000000; /* adding a border, to the top, 1 pixel in weight, solid line, black. The 000000 is the hexadecimal code for black where FFFFFF is for white*/ border-bottom: 1px solid #000000; /* same as above */

A site map is an XML file that details the overall navigational layout of your website. You can then consume this site map file as required. The site map file has an extension of .sitemap. Let s examine site map files via an example. Have a look at Figure 11-16.

Figure 4-24. Oops! First, this exception is caught in the data access tier, which simply reports it and then rethrows it. The report from the data tier generates an email with contents like shown in Figure 4-25.

This email contains all the significant details about the error. However, the error is rethrown, and because it isn t handled anywhere else, it s finally caught by the presentation tier, which displays the nice error page. A second email is generated, which should be taken seriously because the error caused the visitor to see an error message: Exception generated on Tuesday, June 24, 2008, at 1:07 AM Page location: /Default.aspx Message: Exception of type 'System.Web.HttpUnhandledException' was thrown. Source: System.Web Method: Boolean HandleError(System.Exception) Stack Trace: at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsy ncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPo int, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.default_aspx.ProcessRequest(HttpContext context) in c:\Windows\M icrosoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\0a7ff8cb\7bc2fe51\App_Web_tvdzzowf.2.cs:line 0 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpA pplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Figure 11-16. Structure of a website Figure 11-16 shows the directory structure of a sample website. The home page (Default.aspx) and Contact Us page (contact.aspx) reside in the root folder of the website. There are two subfolders called Products and Services. Each of them contains two web forms Product1.aspx and Product2.aspx, and Service1.aspx and Service2.aspx respectively. Now let s represent this website structure by using a site map. Create a new website by using Visual Studio. Add a new site map file by using the Add New Item dialog box (Figure 11-17). Name the site map file Web.sitemap.

Summary

This long chapter was well worth the effort when you consider how much theory you ve learned and applied to the BalloonShop project! In this chapter, you accomplished the following: You created the Department table and populated it with data. You added a stored procedure to the database and added code to access this stored procedure from the middle tier using a special data access class. You added a number of configuration options to web.config, such as the database connection string, to make things easier if you need to change these options. You wrote error-handling and reporting code to keep the administrator notified of any errors that happen to the web site. You added the DepartmentsList Web User Control to the site. In the next chapter, you ll continue building the site to include even more exciting functionality!

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