Differences between application and session ?

The application level variable hold value at the application level and their instances are destroyed when the no more client access that application, whereas session correspond to a individual user accessing the application.
Read more http://www.dotnetfunda.com/interview/exam158_differences_between_application_and_session_.aspx
Author: Lakshmiramesh

If cookies is disabled in client browser, will session tracking work?

No, maintaining value in cookie wont be possible. In that case you have to make use of other ways to maintain state of the data on page. you can check whether client support cookies or not by using Request.Browser.Cookies property.
Read more http://www.dotnetfunda.com/interview/exam160_if_cookies_is_disabled_in_client_browser_will_session_tracking_work.aspx
Author: Lakshmiramesh

What is the difference between overloading and overriding ? how can this be .NET?

Overriding – Method has the same signature as the parent class method. Overloading – Method having diff parameters list or type or the return type may be different.
Read more http://www.dotnetfunda.com/interview/exam163_what_is_the_difference_between_overloading_and_overriding__how_can_th.aspx
Author: Lakshmiramesh

How to get CheckBox status whether it is checked or not?

Write following code
alert(document.getElementById(‘checkbox1′).checked);
if it will be checked you will get true or false.
Read more http://www.dotnetfunda.com/interview/exam169_how_to_get_checkbox_status_whether_it_is_checked_or_not.aspx
Author: Raja

What is a runtime host?

The runtime host is the environment in which the CLR is started and managed.
Read more http://www.dotnetfunda.com/interview/exam156_what_is_a_runtime_host.aspx
Author: Lakshmiramesh

What does connection string consist of?

Server, user id, password, database name.
Read more http://www.dotnetfunda.com/interview/exam155_what_does_connection_string_consist_of.aspx
Author: Lakshmiramesh

What is web application virtual directory

Virtual directory is the physical location of the application on the machine. By default it’s – inetpub/wwwroot
Read more http://www.dotnetfunda.com/interview/exam159_what_is_web_application_virtual_directory.aspx
Author: Lakshmiramesh

What is a Process, Session and Cookie?

Process – Instance of the application Session – Instance of the user accessing the application Cookie – Used for storing small amount of data on client machine.
Read more http://www.dotnetfunda.com/interview/exam161_what_is_a_process_session_and_cookie.aspx
Author: Lakshmiramesh

When is web.config called?

Web.config is an xml configuration file. It is never directly called unless we need to retrieve a configurations setting.
Read more http://www.dotnetfunda.com/interview/exam154_when_is_webconfig_called.aspx
Author: Lakshmiramesh

Explain serialization?

Serialization is a process of converting an object into a stream of bytes. .Net has 2 serializers namely XMLSerializer and SOAP/BINARY Serializer. Serialization is maily used in the concept of .Net Remoting.
Read more http://www.dotnetfunda.com/interview/exam162_explain_serialization.aspx
Author: Lakshmiramesh