Q41. What
are the events that happen when a client requests an ASP.NET page from IIS
server?
The
following events happen when a client requests an ASP.NET page from the IIS
server:
1. User requests for an application resource.
2. The integrated request-processing pipeline receives the first
user request.
3. Response
objects are created for each user
request.
4. An object of the HttpApplication class
is created and allocated to the Request object.
5. The HttpApplication
class processes the user request.
Q42. Explain file-based dependency and key-based dependency.
In
file-based dependency, you have to depend on a file that is saved in a disk. In
key-based dependency, you have to depend on another cached item.
Q43. How can you implement the postback property of an ASP.NET
You need to
set the AutoPostBack property to True to implement
the PostBack property of controls.
Q44. Explain how Cookies work. Give an example of Cookie abuse.
The server
tells the browser to put some files in a cookie, and the client then sends all
the cookies for the domain in each request. An example of cookie abuse is large
cookies affecting the network traffic.
Q45. Explain login controls.
Login
controls are built-in controls in ASP.Net for providing a login solution to ASP.NET
application. The login controls use the membership system to authenticate a
user credentials for a Web site.
There are
many controls in login controls.
· ChangePassword control - Allows users to change their password.
· CreateUserWizard control - Provides an interface to the user to register
for that Web site.
· Login
control - Provides an interface for
user authentication. It consists of a set of controls, such asTextBox, Label, Button, CheckBox, HyperLink.
· LoginView control - Displays appropriate information to different
users according to the user's status.
· LoginStatus
control - Shows a login link to
users, who are not authenticated and logout link, who are authenticated
· LoginName control - Displays a user name, if the user logs in.
· PasswordRecovery control - Allows users to get back the password through
an email, if they forget.
Q46. What is the use of PlaceHolder control?
Can we see it at runtime?
The PlaceHolder control acts as a container for those controls that are
dynamically generated at runtime. We cannot see it at runtime because it does
not produce any visible output. It used only as a container.
Q47. What setting must be added in the configuration file to deny a
particular user from accessing the secured resources?
To deny a
particular user form accessing the secured resources, the web.config file must
contain the
following code:
Q48. What are the event handlers that can be included in the Global.asax file?
The Global.asax file contains some of the following important event
handle
· Application_Error
· Application_Start
· Application_End
· Session_Start
· Session_End
Q49. What is the difference between page-level caching and fragment caching?
In the
page-level caching, an entire Web page is cached; whereas, in the fragment
caching, a part of the Web page, such as a user control added to the Web page,
is cached.
Q50. Make a list of all templates of the Repeater control.
The Repeater
control contains the following templates:
· ItemTemplate
· AlternatingltemTemplate
· SeparatorTemplate
· HeaderTemplate
· FooterTemplate
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