Dispose Link Release For Free

If the SqlConnection goes out of scope, it won't be closed. Therefore, you must explicitly close the connection by calling Close or Dispose .

The sqlConnection will close the connection after it will pass using block and call Dispose method. SqlConnection.

The Dispose Method?Explicit Resource Cleanup public interface IDisposable. ... { ... void Dispose(); ... } ... The following code illustrates how to implement the Dispose method on a class that implements the IDisposable interface: ... class Test : IDisposable. ... { ... private bool isDisposed = false;

This method closes the connection. After Dispose is called, operations that require an open connection, such as executing a query or calling the ToTraceString method, will cause an exception.

The component class (which remember the SqlCommand indirectly inherits from), implements such a Dispose method. Therefore to prevent the finalizer from running (and even though it does nothing in the case of SqlCommand), you should always call Dispose.

Ing to the . Net documentation for the OleDbCommand, Close() closes the connection and returns it to the connection pool, and Dispose() closes the connection and REMOVES it from the connection pool.

You needn't call either Close or Dispose . MemoryStream doesn't hold any unmanaged resources, so the only resource to be reclaimed is memory. The memory will be reclaimed during garbage collection with the rest of the MemoryStream object when your code no longer references the MemoryStream .

Dispose() invokes the protected Dispose method with the disposing parameter set to true . Finalize invokes Dispose with disposing set to false . When the disposing parameter is true , this method releases all resources held by any managed objects that this MemoryStream references.

MemoryStream . Even though there are disposable classes whose instances do not need to be disposed, it is recommended that all instances of all disposable classes always be disposed, unless you are certain that an instance does not need to be disposed.

You would use the FileStream to read/write a file but a MemoryStream to read/write in-memory data, such as a byte array decoded from a string. You would not use a Stream in and of itself, but rather use it for polymorphism, i.e. passing it to methods that can accept any implementation of Stream as an argument.