Events and Delegates in c#
1. What’s a delegate?
A delegate object encapsulates a reference to a method.
2. What’s a multicast delegate?
A delegate that has multiple handlers assigned to it. Each assigned handler (method) is called.
3. What’s the implicit name of the parameter that gets passed into the class’ set method?
Value, and it’s datatype depends on whatever variable we’re changing.
4. How do you inherit from a class in C#?
Place a colon and then the name of the base class.
5. Does C# support multiple inheritance?
No, use interfaces instead.
6. When you inherit a protected class-level variable, who is it available to?
Classes in the same namespace.
7. Are private class-level variables inherited?
Yes, but they are not accessible, so looking at it you can honestly say that they are not inherited.
8. Describe the accessibility modifier protected internal.?
It’s available to derived classes and classes within the same Assembly (and naturally from the base class it’s declared in).
9. C# provides a default constructor for me. I write a constructor that takes a string as a parameter, but want to keep the no parameter one. How many constructors should I write?
Two. Once you write at least one constructor, C# cancels the freebie constructor, and now you have to write one yourself, even if there’s no implementation in it.
10. What’s the top .NET class that everything is derived from?
System.Object.
Microsoft – C# Interview Questionsv
1. How do you inherit from a class in C#?
2. What is .NET Framework?
3. How we handle sql exceptions? What is the class that handles SqlServer exceptions?
4. What is the advantage of serialization?
5. how to fill datalist usinf XML file and how to bind it,code behind language is c#
6. What is the difference between const and static read-only?
7. Is it mandatory to implement all the methods which are there in abstract class if we inherit that abstract
8. Why do I get a "CS5001: does not have an entry point defined" error when compiling?
9. What's the implicit name of the parameter that gets passed into the class' set method?
10. What is indexer? Where it is used explain
11. Does C# support multiple inheritance?
12. When you inherit a protected class-level variable, who is it available to?
13. Are private class-level variables inherited?
14. Describe the accessibility modifier protected internal.
15. What is the implicit name of the parameter that gets passed into the class set method?
16. What's the top .NET class that everything is derived from?
17. How's method overriding different from overloading?
18. What does the keyword virtual mean in the method definition?
19. What is an abstract class?
20. What is the data provider name to connect to Access database?
