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A using statement, in C#, is a statement that contains the "using" keyword and provides the syntax to specify the scope of the use of a resource object.
The using statement is useful for objects whose lifetimes are within the method or block in which they are created. This statement reduces the code in which resource-intensive operations are performed by providing simpler syntax and eliminating the need for multiple calls to release the resources at the end of their scope. Because it simplifies the code necessary for creating, cleaning up and handling an error while using the resource object, the using statement saves development time and effort.