2. I've a class Parent Class A and a Derived Class B. Here
is a scenario.
I've an instance of Class A as objA and an instance of Class
B as objB.
I can refer a child class variable as objB=objA, but
cannot do objA=objB what is the reason?
Answers were Sorted based on User's Feedback
Answer / gopal
Here ObjA is Base Class and ObjB is Derived Class.
In Inheritence Process Derived class Will get the all
features of Base Class.
because objB=O=objA Is COrrect
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / ashok
Is this you are trying to do?
class A
{
public int MyName { get; set; }
}
class B : A
{
public int MyName1 { get; set; }
}
public class TestAB
{
public static void Test()
{
A objA = new A();
B objB = new B();
objB = (B)objA; // Unable to cast object of type
'AdvanceLib.A' to type 'AdvanceLib.B'.
objA = objB;
}
}
---
Is This Answer Correct ? | 0 Yes | 0 No |
what is the difference between Exportdll and Importdll ?
What is boxing and unboxing? Does it occure automaatically or you need to write code to box and unbox?
Hi i need fast track course maximum to complete within a month....courses are Asp.net,c3,vb.net n sql server........at hyderbad location ..best institute n cost
What is the application frame host?
Does application frame need host?
Explain how to develop mobile applications using microsoft mobile internet toolkit (mmit) or .net mobile? : Microsoft dot net mobile
What is the access level of the visibility type internal?
What is password attribute of the textbox control of .net mobile? : Microsoft dot net mobile
which of the following statement is true about gac. a)it is being handled by .net framwork b)It is special folder c)it can have files with same name etc etc.
how do create a repeater
What is the difference between custom controls and master page?
Explain about the base class library provided by microsoft.net?