List the asp.net validation controls?
What is the purpose of asp.net?
Mention the execution process for managed code?
How do we assign page-specific attributes?
What a diffgram is, and a good use for one?
Is asp.net is a programming language?
What are the advantages of using session?
Which object encapsulates state or data of a user?
What is difference between web api and web services?
What is the base class from which web forms are inherited?
Explain the updatepanel?
What is active web page?
Explain the use of duration attribute of @outputcache page directive.
What is autopost?
if i want to give an alert message like "try after sometime" to a web page which is being seen by other person.if a web page is not seen by anyone then it should display otherwise it show a display a message stating that other person is viewing so try after some time........how can i implement this.