When working in a client/server environment, it is imperative that you limit the number of rows that the user brings over the network wire. It is therefore necessary that you supply a criteria form that allows the user to specify the rows that they want to return. The problem is that the user often designates criteria that is way too broad. In that situation, you must determine that there is a problem, and require the user to create criteria that returns less rows. An example is the form shown below.