Your SlideShare is downloading. ×

14 asp.net session20

2,486
views

Published on

Published in: Technology

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
2,486
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Developing Web Applications Using ASP.NETObjectives In this session, you will learn to: Implement asynchronous processing in Web applications Describe the personalization features provided by ASP.NET 2.0 Describe ASP.NET 2.0 theme support Implement personalization features Add themes to a Web application Implement customizable themes Ver. 1.0 Slide 1 of 15
  • 2. Developing Web Applications Using ASP.NETDemo: Optimizing Web Application Performance Problem Statement: You are a developer in the Adventure Works organization, a fictitious bicycle manufacturer. You have been asked to assist in creating a new Business-to-Consumer (B2C) Web application and a related Business-to-Employee (B2E) extranet portal. Decisions on the design of the application have already been made. You have been asked to carry out a number of specific tasks in order to implement various elements of this design. As part of the first phase of the B2C development, you have been asked to prototype various performance related techniques for the Web application. Ver. 1.0 Slide 2 of 15
  • 3. Developing Web Applications Using ASP.NETDemo: Optimizing Web Application Performance (Contd.) Solution: • To solve this problem, you need to perform the following task: 1. Implement Asynchronous Processing in Web Applications a. Enable asynchronous processing on a page. b. Add asynchronous event handlers for calling a Web service and receiving data from the Web service. c. Test the asynchronous calling of the Web service. Ver. 1.0 Slide 3 of 15
  • 4. Developing Web Applications Using ASP.NETASP.NET 2.0 Personalization Features ASP.NET provides profiles for easy implementation of personalization in a Web site. Profiles consist of a set of named properties that are stored for each user. These properties can be: Simple data types Complex data structures Classes from the .NET Framework Profiles can be used to store user specific information. The profile system has been designed to keep the data in the profiles independent of the storage location of the profiles. This separation is achieved by using profile providers. Ver. 1.0 Slide 4 of 15
  • 5. Developing Web Applications Using ASP.NETASP.NET 2.0 Personalization Features (Contd.) Profile providers: • A profile provider enables ASP.NET to store and retrieve profiles by using a common API, regardless of the underlying data storage mechanism. • The default provider is the System.Web.Profiles.SQLProfileProvider class, which uses Microsoft SQL Server as its storage mechanism. • To use the default provider, you must create a suitable database on the computer running SQL Server. You can do this by using the regsql.exe tool. • A custom profile provider can also be created, in case profiles need to be stored in a database other than Microsoft SQL Server. Ver. 1.0 Slide 5 of 15
  • 6. Developing Web Applications Using ASP.NETASP.NET 2.0 Personalization Features (Contd.) Configuring Profile properties: The properties that need to be stored in each user profile for an application can be configured in the Web.config file: <System.web> <anonymousIdentification enabled=“true”/> <profile> <properties> <add name = “PrefPaymentMethod” type =“System.String” allowAnonymous=“true”/> </properties> </profile> </System.web> Profiles can be used even when the user is not authenticated. Ver. 1.0 Slide 6 of 15
  • 7. Developing Web Applications Using ASP.NETASP.NET 2.0 Personalization Features (Contd.) Getting and Setting Profile Properties: • Profile properties can be accessed by using the Profile object. • A value can be stored in a property of the Profile object as: Profile.PrefPaymentMethod = ddPrefPaymentMethod.SelectedValue; • A value of a property can be retrieved from the Profile object as: lblPrefPaymentMethod = Profile.PrefPaymentMethod; Ver. 1.0 Slide 7 of 15
  • 8. Developing Web Applications Using ASP.NETTheme Support in ASP.NET 2.0 A theme is a collection of property settings. Themes are used to define the look of pages and controls and apply the look consistently across pages. Theme settings can be applied to any of the following: The entire Web site A page and its controls Individual controls Multiple themes can be created to enable users to choose their preferred appearance for the Web site. An ASP.NET theme consist of the following objects: Stylesheets Skins Supporting images Ver. 1.0 Slide 8 of 15
  • 9. Developing Web Applications Using ASP.NETTheme Support in ASP.NET 2.0 (Contd.) Themes are stored in the App_Themes folder within an application. To create a theme, you need to: 1. Add a subfolder with the same name as the name of the theme to the App_Themes folder. 2. Add stylesheets, skins, and supporting image files to the folder created. To create a skin, you need to: 1. Create a theme folder under the App_Themes folder. 2. Add a skin file to the theme folder. 3. Add an entry to the skin file for each class of controls to which you want to apply the theme. For example: <asp:Label runat=“server” Forecolor=“red”/> <asp:Button runat=“server” backcolor=“yellow” bordercolor=“Blue”/> Ver. 1.0 Slide 9 of 15
  • 10. Developing Web Applications Using ASP.NETTheme Support in ASP.NET 2.0 (Contd.) Applying a Theme: • A theme can be specified for a particular page by using the < %@Page%> directive as: <%@ Page Theme = “BlueSky”%> A theme can be specified for the entire application in the root Web.config file as: <configuration> <system.Web> <pages theme =“BlueSky”/> </system.web> </configuration> Ver. 1.0 Slide 10 of 15
  • 11. Developing Web Applications Using ASP.NETTheme Support in ASP.NET 2.0 (Contd.) Enabling Users to Personalize Themes: Themes can be used to enable users to personalize the application. The theme stored in a user’s profile can be set programmatically as each page loads. Theme must be set before or during Page_PreInit event handler as: void Page_PreInit(object sender, EventArgs e) { switch (Request.QueryString[“theme”]) { case “Theme1”: Page.Theme = “Theme1”; break; case “Theme2”: Page.Theme = “Theme2”; break; } } Ver. 1.0 Slide 11 of 15
  • 12. Developing Web Applications Using ASP.NETDemo: Implementing Personalization and Theme in Web Applications Problem Statement: You are a developer in the Adventure Works organization, a fictitious bicycle manufacturer. You have been asked to assist in creating a new Business-to-Consumer (B2C) Web application and a related Business-to-Employee (B2E) extranet portal. Decisions on the design of the application have already been made. You have been asked to carry out a number of specific tasks in order to implement various elements of this design. As part of the first phase of the B2C development, you have been asked to prototype personalization and themes for registered members of the Web site. Ver. 1.0 Slide 12 of 15
  • 13. Developing Web Applications Using ASP.NETDemo: Implementing Personalization and Theme in Web Applications (Contd.) Solution: • To solve this problem, you need to perform following tasks: 1. Configure Personalization a. Open the starter solution. b. Add a connection string for the profile system. c. Add personalization providers. d. Add personalization properties. e. Control anonymous identification. 2. Implement Personalization Functionality a. Review the UpdateProfile.aspx page. b. Retrieve profile data at run time. c. Update profile data at run time. d. Test the profile functionality of the Web site. Ver. 1.0 Slide 13 of 15
  • 14. Developing Web Applications Using ASP.NETDemo: Implementing Personalization and Theme in Web Applications (Contd.) 1. Add Themes to the Web Application • Add a Themes folder to the Web application • Add the DefaultBlue theme to the Web application. • Create a definition for a default button. • Create a definition for a default text box. • Create a definition for an alternative button. • Use the DefaultBlue theme. 2. Implement Personalized Themes a. Add a personalized theme property. b. Add user interface elements for selecting themes. c. Add code for storing and retrieving the selected theme. d. Add code for applying the selected theme. e. Test the personalized theme functionality. Ver. 1.0 Slide 14 of 15
  • 15. Developing Web Applications Using ASP.NETSummary In this session, you learned that: An ASP.NET profile consists of a set of named properties that are stored for each user. A profile provider enables ASP.NET to store and retrieve profiles by using a common API, regardless of the underlying data storage mechanism. A theme is a collection of property settings that enable user to define and apply the look of pages and controls consistently across the pages. An ASP.NET theme consists of the following objects: Stylesheets Skins Supporting images Ver. 1.0 Slide 15 of 15