Answer Posted / sayeed
Garbage collection is an in deterministic process Associated
with CLR. It is used to release the managed free Objects
that are no more refrenced.
But there might be scenarios in which we need to release
certain resources held by an object (like a database
connection) once the object is no longer in use.
We have destructors in C#.C# destructors are nothing but
finalize methods in disguise, with a call to base class's
finalize method.
As we know, finalize method is called during garbage
collection by garbage collector. Hence, we cannot rely only
on C# destructors to explicitly release resources as
finalize methods on objects may never be called altogether
(if the program terminates abnormally) or might be called
only when the program terminates (in a normal way).
Hence it is always a good practice to implement IDisposable
interface in such cases and to write code to release
resources explicitly in the Dispose() method.In that case we
have to use GC.SuppressFinalize() method.
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