Can we post and access view state in another application?

If you post to other applications, PreviousPage property will be null.

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How can i get all the objects in Cache?

The following statement fetches all the objects in cache and stores in a dictionary object.
IDictionaryEnumerator CacheEnum = HttpContext.Current.Cache.GetEnumerator();

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What is Expression Blend?

Microsoft Expression Blend is a user interface design tool from Microsoft for creating graphical interfaces for web and desktop applications.

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What are the disadvantages of using Hidden Fields?

1. Not Secure
2. Reduces Performance on huge data
3. Doesnt support complex data

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What are the advantages of using Hidden Fields?

1. Easy to implement.
2. Data is cached at client side hence supports Web Farms
3. Most of the browsers support them
4. Reduces usage of server resources

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What are the Session Modes which support Session_End event?

InProc mode alone has Session_End Event.

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How can we access cache object in ASP.NET ?

You can get the cache object either from Cache property of HttpContext class or Page object.

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