How will you know whether the page request is the result of a callback?

By calling

IsCallBack();

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Daily Tips- Tip #4 - How will you know whether the page is posted back or not?

By calling,

IsPostBack();

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Can we have different access modifiers on get and set?

By calling

No. For a property access modifier is same for get and set.

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How will you suppress the finalize method?

By calling

GC.SuppressFinalize();

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What are the differences between Classes and Structures?

Sno	Class	Structure
1	Reference Type	Value Type
2	Stored in heap	Stored in stack
3	Inheritance is available	Not
4	Protected Modifier is allowed	Not
5	Construtor is mandatory	Not
5	Objects are destroyed in GC	Not

 

What is SQL Cache Dependency in ASP.NET?

Is a feature which invalidates your cache when its dependent database table is changed. That is you cache some data from a table and the cache will automatically get invalidated when anything is changed in the table.

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What are all the ways you can maintain state in asp.net?

Server-side:
1. Session
2. Application
3. Cache

Client-side:
1. Hidden fields
2. Hidden frames
3. View state
4. Cookies
5. Query String

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