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C# Interview Questions


C# Interview Questions

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 C# Interview Questions
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Why do we use properties rather than public members? 
Latest Answer: Technically, there is nothing that can be acheived using property get/set code that cannot be replicated by using public get/set methods instead. But accessing properties is so common and useful, that a special syntax is provided for doing it, and ...

There is Cancel button and OK button on page. When we click Cancel button it skips all validation controls and goes to next page.(a)Page AutoPostback of Cancel is True.(b)Page AutoPostback of Cancel is 
Latest Answer: There no such thing called AutoPostBack property on a Button. ...

When do you apply Namespace Alias Qualifiers and Extern Namespaces Alias? 
Latest Answer: It is supposed to be used when a member in program might be hidden by another entity of the same name. ...

What do you mean by Explicit Interface Implimentation? What's Interface Mapping? 
Latest Answer: interface I1{     void someMethod();}Interface I1{    void someMethod();} class someClass:I1,I2{  void I1.someMethod()  {       //This is called explicit implementation as  ...

What is the use of serializable keyword in C#? 
Latest Answer: Serializable is a concept of converting your user define type i.e. class into bytes. Serializing object into bytes help for ease in transporting data within network or machines. .Net also provides support to desializingWe can do Serializing in following ...

What is difference between "Session" and "Session" Objects? What is the use of "postbackurl" and "navigateurl" and the differences between those two things? 
Latest Answer: PostBackUrl is a property of the control which are in the "Button Family" and NavigateUrl is property of the control in the "Link Family". ...

Explain What are Object Oriented Language and Object Based Language 
Latest Answer: Object Oriented Languages follows data abstraction, inheritance, polymorphism, encapsulation, data binding where as Object Based Language follows all the above concepts except inheritance. ...

Latest Answer: Exception handling is an in built mechanism in .NET framework to detect and handle run time errors. The .NET framework contains lots of standard exceptions. The exceptions are anomalies that occur during the execution of a program. They can be because ...

Latest Answer: Process Request Method does following things:Intialize the memory Load the view state Page execution and post back events Rendering HTML content Releasing the memory Process Request Method executes set of events for page class .These are called as Page ...

can we use pointer in c# ?if we can then how it can implement ?and if no then why we can not use pointer in c#? 
Latest Answer: we can use pointers in C# within the scope of unsafe code e.g.:unsafe{//all pointer related code here}but doing so, makes ur code un managed.Also, if you want to have pointers to class level variables, you must use fixed keyword. ...

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