Answer / nipun

The using statement allows the programmer to specify when objects that use resources should release them. The object provided to the using statement must implement the IDisposable interface. This interface provides the Dispose method, which should release the object's resources.
e.g.
using (Font font1 = new Font("Arial", 10.0f))
{
}

Answer / om shivaya namaha

Using statement is used to import the namespaces in to the
page by reading the namespace classname it will search the
class in DotNet Farame work class library and that
perticaular class is imported in to the page

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