InvalidDepartmentException.cs

[Serializable()]
public class InvalidDepartmentException : System.Exception
{
    public InvalidDepartmentException() : base() { }
    public InvalidDepartmentException(string message) : base(message) { }
    public InvalidDepartmentException(string message, System.Exception inner) : base(message, inner) { }

    // A constructor is needed for serialization when an exception propagates from a remoting server to the client. 
    protected InvalidDepartmentException(SerializationInfo info, StreamingContext context) { }
}