What are the types of authentication in .net?
We have three types of authentication: . Form authenticatio . Windows authentication . Passport This has to be declared in web.config file. Read more »
‘ASP.NET Interview Questions’ - KyaPoocha.com
What is the difference between a Struct and a Class ?
The struct type is suitable for representing lightweight objects such as Point, Rectangle, and Color. Although it is possible to represent a point as a class, a... Read more »
What’s the difference between Java and .NET garbage collectors?
Sun left the implementation of a specific garbage collector up to the JRE developer, so their performance varies widely, depending on whose JRE you’re using. Microsoft... Read more »
What’s the difference between const and readonly?
You can initialize readonly variables to some runtime values. Let’s say your program uses current date and time as one of the values that won’t change. This... Read more »
Can multiple catch blocks be executed?
It’s a delegate that points to and eventually fires off several methods. Read more »
How’s the DLL Hell problem solved in .NET?
Assembly versioning allows the application to specify not only the library it needs to run (which was available under Win32), but also the version of the assembly. Read more »
What’s the difference between the Debug class and Trace class?
Documentation looks the same. Use Debug class for debug builds, use Trace class for both debug and release builds. Read more »
What are three test cases you should go through in unit testing?
Positive test cases (correct data, correct output), negative test cases (broken or missing data, proper handling), exception test cases (exceptions are thrown... Read more »
And if they have conflicting method names?
It’s up to you to implement the method inside your own class, so implementation is left entirely up to you. This might cause a problem on a higher-level scale... Read more »
What’s the difference between an interface and abstract class?
In the interface all methods must be abstract, in the abstract class some methods can be concrete. In the interface no accessibility modifiers are allowed, which... Read more »
What’s the difference between System.String and System.StringBuilder classes?
System.String is immutable, System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed. Read more »
Are private class-level variables inherited?
Yes, but they are not accessible. Although they are not visible or accessible via the class interface, they are inherited. Read more »
What is a formatter?
A formatter is an object that is responsible for encoding and serializing data into messages on one end, and deserializing and decoding messages into data on the... Read more »
Different b/w .NET & J2EE ?
Differences between J2EE and the .NET Platform Vendor Neutrality The .NET platform is not vendor neutral, it is tied to the Microsoft operating systems. But neither... Read more »
What are delegates?where are they used ?
A delegate defines a reference type that can be used to encapsulate a method with a specific signature. A delegate instance encapsulates a static or an instance... Read more »
What is namespaces?
Namespace is a logical naming scheme for group related types.Some class types that logically belong together they can be put into a common namespace. They prevent... Read more »
What is global assembly cache?
Each computer where the common language runtime is installed has a machine-wide code cache called the global assembly cache. The global assembly cache stores assemblies... Read more »
What is MSIL?
When compiling to managed code, the compiler translates your source code into Microsoft intermediate language (MSIL), which is a CPU-independent set of instructions... Read more »
What is Jit compilers?.how many are available in clr?
Just-In-Time compiler- it converts the language that you write in .Net into machine language that a computer can understand. there are tqo types of JITs one is... Read more »
How does VB.NET/C# achieve polymorphism?
Polymorphism is also achieved through interfaces. Like abstract classes, interfaces also describe the methods that a class needs to implement. The difference between... Read more »