Releases all resources used by the current instance of the SqlBulkCopy class.
Assembly: System.Data (in System.Data.dll)
Call Dispose when you are finished using the SqlBulkCopy. The Dispose method leaves the SqlBulkCopy in an unusable state. After calling Dispose, you must release all references to the SqlBulkCopy so the garbage collector can reclaim the memory that the SqlBulkCopy was occupying.