Does Dispose still get called when exception is thrown inside of a using statement?

Question

In the example below, is the connection going to close and disposed when an exception is thrown if it is within a using statement?

using (var co         


        

Answer 1

This is how reflector decodes the IL generated by your code:

private static void Main(string[] args)
{
    SqlConnection conn = new SqlConnection("...");
    try
    {
        conn.Open();
        DoStuff();
    }
    finally
    {
        if (conn != null)
        {
            conn.Dispose();
        }
    }
}

So the answer is yes, it will close the connection if

DoStuff()

throws an exception.