Answer / lagnajeet sahu

The marker interface is an interface that is empty. It does
not implement any properties nor methods. It is used to mark
the capability of a class as implementing a specific
interface at run-time. In languages that do not provide
support for associating metadata to a class, this approach
can be useful.

Explain the Scope of public/private/friend/protected/protected friend.

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Hi Everyone, the design of the form disappear during writing codes for dataset and data grid. The error show in "line of assigning dataset". I don't know what's happen. If anyone know , please share of technical help from someone. Thanks, Horace Trever

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