When we have to post data from one page to another in application we used server.transfer method but in this the URL remains the same but in cross page posting there is little different there is normal post back is done but in target page we can access values of server control in the source page.This is quite simple we have to only set the PostBackUrl property of Button, LinkButton or Imagebutton which specifies the target page.In target page we can access the PreviousPage property.And we have to use the @PreviousPageType directive.We can access control of PreviousPage by using the findcontrol method.When we set the PostBackURL property ASP.NET framework bind the HTML and Javascript function automatically.
No, The <HTTPHANDLERS> section of Machine.config, which holds the master configuration settings for ASP.NET, contains entries that map ASAX files, CONFIG files, and selected other file types to an HTTP handler named HttpForbiddenHandler, which fails attempts to retrieve the associated file. You can modify it by editing Machine.config or including a section in a local Web.config file.

Authentication means validating users. In this step, we verify user credentials to check whether the person tying to log in is the right one or not.

Authorization is keeping track of what the current user is allowed to see and what should be hidden from him.
Note: Authentication verifies who you are and Authorization verifies what you are authorized to do.

If we set session Mode=”off” in web.config file, session will be disabled in the application. For this we need to configure web.config in the following way:


<Configuration>

     <sessionmode="off"/>

</configuration>

When client side validation is enabled server emit’s JavaScript code for the custom validators. However, note that does not mean that server side checks on custom validators do not execute. It does this redundant check two times, as some of the validators do not support client side scripting.

Yes, a single .NET DLL may contain any number of classes within it.

(IL)Intermediate Language is also known as MSIL (Microsoft Intermediate Language) or CIL (Common Intermediate Language). All .NET source code is compiled to IL. This IL is then converted to machine code at the point where the software is installed, or at run-time by a Just-In- Time (JIT) compiler.


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